It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 167 974 is not a prime number.
For example, 397 167 974 can be divided by 2: 397 167 974 / 2 = 198 583 987.
For 397 167 974 to be a prime number, it would have been required that 397 167 974 has only two divisors, i.e., itself and 1.
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397 167 974 is an even number, because it is evenly divisible by 2: 397 167 974 / 2 = 198 583 987.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 397 167 974 is about 19 929.074.
Thus, the square root of 397 167 974 is not an integer, and therefore 397 167 974 is not a square number.
The square of a number (here 397 167 974) is the result of the product of this number (397 167 974) by itself (i.e., 397 167 974 × 397 167 974); the square of 397 167 974 is sometimes called "raising 397 167 974 to the power 2", or "397 167 974 squared".
The square of 397 167 974 is 157 742 399 571 264 672 because 397 167 974 × 397 167 974 = 397 167 9742 = 157 742 399 571 264 672.
As a consequence, 397 167 974 is the square root of 157 742 399 571 264 672.
397 167 974 is a number with 9 digits.
The multiples of 397 167 974 are all integers evenly divisible by 397 167 974, that is all numbers such that the remainder of the division by 397 167 974 is zero. There are infinitely many multiples of 397 167 974. The smallest multiples of 397 167 974 are: