It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 267 is not a prime number.
For example, 998 267 can be divided by 29: 998 267 / 29 = 34 423.
For 998 267 to be a prime number, it would have been required that 998 267 has only two divisors, i.e., itself and 1.
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998 267 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 998 267 is about 999.133.
Thus, the square root of 998 267 is not an integer, and therefore 998 267 is not a square number.
The square of a number (here 998 267) is the result of the product of this number (998 267) by itself (i.e., 998 267 × 998 267); the square of 998 267 is sometimes called "raising 998 267 to the power 2", or "998 267 squared".
The square of 998 267 is 996 537 003 289 because 998 267 × 998 267 = 998 2672 = 996 537 003 289.
As a consequence, 998 267 is the square root of 996 537 003 289.
The multiples of 998 267 are all integers evenly divisible by 998 267, that is all numbers such that the remainder of the division by 998 267 is zero. There are infinitely many multiples of 998 267. The smallest multiples of 998 267 are: