47904456 has 16 divisors (see below), whose sum is σ = 119761200. Its totient is φ = 15968144.

The previous prime is 47904449. The next prime is 47904509. The reversal of 47904456 is 65440974.

It is a happy 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, 997986 + ... + 998033.

It is an arithmetic number, because the mean of its divisors is an integer number (7485075).

Almost surely, 2^47904456 is an apocalyptic number.

It is an amenable number.

47904456 is an abundant number, since it is smaller than the sum of its proper divisors (71856744).

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

47904456 is a wasteful number, since it uses less digits than its factorization.

47904456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996028 (or 1996024 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 47904456 is about 6921.3045013205. The cubic root of 47904456 is about 363.1828264956.

The spelling of 47904456 in words is "forty-seven million, nine hundred four thousand, four hundred fifty-six".