997330528 has 24 divisors (see below), whose sum is σ = 1967384160. Its totient is φ = 497677440.

The previous prime is 997330507. The next prime is 997330567. The reversal of 997330528 is 825033799.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14328 + ... + 46903.

It is an arithmetic number, because the mean of its divisors is an integer number (81974340).

Almost surely, 2^997330528 is an apocalyptic number.

It is an amenable number.

997330528 is a deficient number, since it is larger than the sum of its proper divisors (970053632).

997330528 is a wasteful number, since it uses less digits than its factorization.

997330528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61750 (or 61742 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 997330528 is about 31580.5403373660. The cubic root of 997330528 is about 999.1093830369.

The spelling of 997330528 in words is "nine hundred ninety-seven million, three hundred thirty thousand, five hundred twenty-eight".