It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 997 488 is not a prime number.
For example, 997 488 can be divided by 2: 997 488 / 2 = 498 744.
For 997 488 to be a prime number, it would have been required that 997 488 has only two divisors, i.e., itself and 1.
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997 488 is an even number, because it is evenly divisible by 2: 997 488 / 2 = 498 744.
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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 997 488 is about 998.743.
Thus, the square root of 997 488 is not an integer, and therefore 997 488 is not a square number.
The square of a number (here 997 488) is the result of the product of this number (997 488) by itself (i.e., 997 488 × 997 488); the square of 997 488 is sometimes called "raising 997 488 to the power 2", or "997 488 squared".
The square of 997 488 is 994 982 310 144 because 997 488 × 997 488 = 997 4882 = 994 982 310 144.
As a consequence, 997 488 is the square root of 994 982 310 144.
The multiples of 997 488 are all integers evenly divisible by 997 488, that is all numbers such that the remainder of the division by 997 488 is zero. There are infinitely many multiples of 997 488. The smallest multiples of 997 488 are: