990318932 has 24 divisors (see below), whose sum is σ = 1798997760. Its totient is φ = 476498880.

The previous prime is 990318929. The next prime is 990318943. The reversal of 990318932 is 239813099.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 113 + ... + 44504.

It is an arithmetic number, because the mean of its divisors is an integer number (74958240).

Almost surely, 2^990318932 is an apocalyptic number.

It is an amenable number.

990318932 is a deficient number, since it is larger than the sum of its proper divisors (808678828).

990318932 is a wasteful number, since it uses less digits than its factorization.

990318932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44831 (or 44829 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 990318932 is about 31469.3331991639. Note that the first 3 decimals coincide. The cubic root of 990318932 is about 996.7625072854.

The spelling of 990318932 in words is "nine hundred ninety million, three hundred eighteen thousand, nine hundred thirty-two".