990364832 has 24 divisors (see below), whose sum is σ = 1959895476. Its totient is φ = 492613632.

The previous prime is 990364813. The next prime is 990364861. The reversal of 990364832 is 238463099.

It can be written as a sum of positive squares in 2 ways, for example, as 961248016 + 29116816 = 31004^2 + 5396^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74003 + ... + 86354.

Almost surely, 2^990364832 is an apocalyptic number.

It is an amenable number.

990364832 is a deficient number, since it is larger than the sum of its proper divisors (969530644).

990364832 is a wasteful number, since it uses less digits than its factorization.

990364832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160560 (or 160552 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 990364832 is about 31470.0624721337. The cubic root of 990364832 is about 996.7779065979. Note that the first 3 decimals are identical.

The spelling of 990364832 in words is "nine hundred ninety million, three hundred sixty-four thousand, eight hundred thirty-two".