It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 166 983 is not a prime number.
For example, 397 166 983 can be divided by 8 629: 397 166 983 / 8629 = 46 027.
For 397 166 983 to be a prime number, it would have been required that 397 166 983 has only two divisors, i.e., itself and 1.
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397 166 983 is an odd number, because it is not evenly divisible by 2.
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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 397 166 983 is about 19 929.049.
Thus, the square root of 397 166 983 is not an integer, and therefore 397 166 983 is not a square number.
The square of a number (here 397 166 983) is the result of the product of this number (397 166 983) by itself (i.e., 397 166 983 × 397 166 983); the square of 397 166 983 is sometimes called "raising 397 166 983 to the power 2", or "397 166 983 squared".
The square of 397 166 983 is 157 741 612 385 322 304 because 397 166 983 × 397 166 983 = 397 166 9832 = 157 741 612 385 322 304.
As a consequence, 397 166 983 is the square root of 157 741 612 385 322 304.
397 166 983 is a number with 9 digits.
The multiples of 397 166 983 are all integers evenly divisible by 397 166 983, that is all numbers such that the remainder of the division by 397 166 983 is zero. There are infinitely many multiples of 397 166 983. The smallest multiples of 397 166 983 are: