999100904 has 8 divisors (see below), whose sum is σ = 1873314210. Its totient is φ = 499550448.

The previous prime is 999100901. The next prime is 999100909. The reversal of 999100904 is 409001999.

999100904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 966588100 + 32512804 = 31090^2 + 5702^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (999100901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62443799 + ... + 62443814.

Almost surely, 2^999100904 is an apocalyptic number.

It is an amenable number.

999100904 is a deficient number, since it is larger than the sum of its proper divisors (874213306).

999100904 is a wasteful number, since it uses less digits than its factorization.

999100904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124887619 (or 124887615 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 999100904 is about 31608.5574488935. The cubic root of 999100904 is about 999.7002114692.

The spelling of 999100904 in words is "nine hundred ninety-nine million, one hundred thousand, nine hundred four".