8997328 has 10 divisors (see below), whose sum is σ = 17432354. Its totient is φ = 4498656.

The previous prime is 8997319. The next prime is 8997341. The reversal of 8997328 is 8237998.

It can be written as a sum of positive squares in only one way, i.e., 8714304 + 283024 = 2952^2 + 532^2 .

It is a super-2 number, since 2×8997328² = 161903822279168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281151 + ... + 281182.

Almost surely, 2^8997328 is an apocalyptic number.

It is an amenable number.

8997328 is a deficient number, since it is larger than the sum of its proper divisors (8435026).

8997328 is a wasteful number, since it uses less digits than its factorization.

8997328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562341 (or 562335 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 8997328 is about 2999.5546336081. The cubic root of 8997328 is about 207.9877951419.

The spelling of 8997328 in words is "eight million, nine hundred ninety-seven thousand, three hundred twenty-eight".