997530924 has 48 divisors (see below), whose sum is σ = 2508635360. Its totient is φ = 306685440.

The previous prime is 997530923. The next prime is 997530929. The reversal of 997530924 is 429035799.

It is not an unprimeable number, because it can be changed into a prime (997530923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324354 + ... + 327414.

Almost surely, 2^997530924 is an apocalyptic number.

It is an amenable number.

997530924 is an abundant number, since it is smaller than the sum of its proper divisors (1511104436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

997530924 is a wasteful number, since it uses less digits than its factorization.

997530924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170 (or 5168 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 997530924 is about 31583.7129546227. The cubic root of 997530924 is about 999.1762963653.

The spelling of 997530924 in words is "nine hundred ninety-seven million, five hundred thirty thousand, nine hundred twenty-four".