100904004 has 36 divisors (see below), whose sum is σ = 259249900. Its totient is φ = 33082560.

The previous prime is 100903973. The next prime is 100904033. The reversal of 100904004 is 400409001.

It can be written as a sum of positive squares in 2 ways, for example, as 39312900 + 61591104 = 6270^2 + 7848^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20779 + ... + 25170.

Almost surely, 2^100904004 is an apocalyptic number.

It is an amenable number.

100904004 is an abundant number, since it is smaller than the sum of its proper divisors (158345896).

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

100904004 is a wasteful number, since it uses less digits than its factorization.

100904004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46020 (or 46015 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100904004 is about 10045.0985062368. The cubic root of 100904004 is about 465.5533613432.

The spelling of 100904004 in words is "one hundred million, nine hundred four thousand, four".