1904360872 has 16 divisors (see below), whose sum is σ = 3571830900. Its totient is φ = 951872640.

The previous prime is 1904360839. The next prime is 1904360897. The reversal of 1904360872 is 2780634091.

It can be written as a sum of positive squares in 2 ways, for example, as 1801662916 + 102697956 = 42446^2 + 10134^2 .

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, 11029 + ... + 62692.

Almost surely, 2^1904360872 is an apocalyptic number.

It is an amenable number.

1904360872 is a deficient number, since it is larger than the sum of its proper divisors (1667470028).

1904360872 is a wasteful number, since it uses less digits than its factorization.

1904360872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76956 (or 76952 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1904360872 is about 43638.9833978749. The cubic root of 1904360872 is about 1239.5091866065.

The spelling of 1904360872 in words is "one billion, nine hundred four million, three hundred sixty thousand, eight hundred seventy-two".