It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 709 is not a prime number.
For example, 988 709 can be divided by 859: 988 709 / 859 = 1 151.
For 988 709 to be a prime number, it would have been required that 988 709 has only two divisors, i.e., itself and 1.
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988 709 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 988 709 is about 994.338.
Thus, the square root of 988 709 is not an integer, and therefore 988 709 is not a square number.
The square of a number (here 988 709) is the result of the product of this number (988 709) by itself (i.e., 988 709 × 988 709); the square of 988 709 is sometimes called "raising 988 709 to the power 2", or "988 709 squared".
The square of 988 709 is 977 545 486 681 because 988 709 × 988 709 = 988 7092 = 977 545 486 681.
As a consequence, 988 709 is the square root of 977 545 486 681.
The multiples of 988 709 are all integers evenly divisible by 988 709, that is all numbers such that the remainder of the division by 988 709 is zero. There are infinitely many multiples of 988 709. The smallest multiples of 988 709 are: