It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 014 is not a prime number.
For example, 998 014 can be divided by 2: 998 014 / 2 = 499 007.
For 998 014 to be a prime number, it would have been required that 998 014 has only two divisors, i.e., itself and 1.
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998 014 is an even number, because it is evenly divisible by 2: 998 014 / 2 = 499 007.
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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 998 014 is about 999.007.
Thus, the square root of 998 014 is not an integer, and therefore 998 014 is not a square number.
The square of a number (here 998 014) is the result of the product of this number (998 014) by itself (i.e., 998 014 × 998 014); the square of 998 014 is sometimes called "raising 998 014 to the power 2", or "998 014 squared".
The square of 998 014 is 996 031 944 196 because 998 014 × 998 014 = 998 0142 = 996 031 944 196.
As a consequence, 998 014 is the square root of 996 031 944 196.
The multiples of 998 014 are all integers evenly divisible by 998 014, that is all numbers such that the remainder of the division by 998 014 is zero. There are infinitely many multiples of 998 014. The smallest multiples of 998 014 are: