990875404 has 12 divisors (see below), whose sum is σ = 1734886944. Its totient is φ = 495193424.

The previous prime is 990875357. The next prime is 990875419. The reversal of 990875404 is 404578099.

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, 51787 + ... + 68290.

It is an arithmetic number, because the mean of its divisors is an integer number (144573912).

Almost surely, 2^990875404 is an apocalyptic number.

It is an amenable number.

990875404 is a deficient number, since it is larger than the sum of its proper divisors (744011540).

990875404 is a wasteful number, since it uses less digits than its factorization.

990875404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122144 (or 122142 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 990875404 is about 31478.1734539982. The cubic root of 990875404 is about 996.9491699010.

The spelling of 990875404 in words is "nine hundred ninety million, eight hundred seventy-five thousand, four hundred four".