999626804 has 12 divisors (see below), whose sum is σ = 1908378528. Its totient is φ = 454375800.

The previous prime is 999626791. The next prime is 999626813. The reversal of 999626804 is 408626999.

It is a congruent number.

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, 11359352 + ... + 11359439.

It is an arithmetic number, because the mean of its divisors is an integer number (159031544).

Almost surely, 2^999626804 is an apocalyptic number.

It is an amenable number.

999626804 is a deficient number, since it is larger than the sum of its proper divisors (908751724).

999626804 is a wasteful number, since it uses less digits than its factorization.

999626804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22718806 (or 22718804 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 999626804 is about 31616.8753041789. The cubic root of 999626804 is about 999.8755858551.

The spelling of 999626804 in words is "nine hundred ninety-nine million, six hundred twenty-six thousand, eight hundred four".