It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 682 is not a prime number.
For example, 998 682 can be divided by 2: 998 682 / 2 = 499 341.
For 998 682 to be a prime number, it would have been required that 998 682 has only two divisors, i.e., itself and 1.
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998 682 is an even number, because it is evenly divisible by 2: 998 682 / 2 = 499 341.
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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 998 682 is about 999.341.
Thus, the square root of 998 682 is not an integer, and therefore 998 682 is not a square number.
The square of a number (here 998 682) is the result of the product of this number (998 682) by itself (i.e., 998 682 × 998 682); the square of 998 682 is sometimes called "raising 998 682 to the power 2", or "998 682 squared".
The square of 998 682 is 997 365 737 124 because 998 682 × 998 682 = 998 6822 = 997 365 737 124.
As a consequence, 998 682 is the square root of 997 365 737 124.
The multiples of 998 682 are all integers evenly divisible by 998 682, that is all numbers such that the remainder of the division by 998 682 is zero. There are infinitely many multiples of 998 682. The smallest multiples of 998 682 are: