999927372 has 24 divisors (see below), whose sum is σ = 2371414192. Its totient is φ = 327844800.

The previous prime is 999927353. The next prime is 999927389. The reversal of 999927372 is 273729999.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 682279 + ... + 683742.

Almost surely, 2^999927372 is an apocalyptic number.

It is an amenable number.

999927372 is an abundant number, since it is smaller than the sum of its proper divisors (1371486820).

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

999927372 is a wasteful number, since it uses less digits than its factorization.

999927372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366089 (or 1366087 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 57.

The square root of 999927372 is about 31621.6282313229. The cubic root of 999927372 is about 999.9757900806.

The spelling of 999927372 in words is "nine hundred ninety-nine million, nine hundred twenty-seven thousand, three hundred seventy-two".