47904786 has 24 divisors (see below), whose sum is σ = 103980240. Its totient is φ = 15939576.

The previous prime is 47904743. The next prime is 47904803. The reversal of 47904786 is 68740974.

47904786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9505 + ... + 13643.

It is an arithmetic number, because the mean of its divisors is an integer number (4332510).

Almost surely, 2^47904786 is an apocalyptic number.

47904786 is an abundant number, since it is smaller than the sum of its proper divisors (56075454).

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

47904786 is a wasteful number, since it uses less digits than its factorization.

47904786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4790 (or 4787 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 47904786 is about 6921.3283407161. The cubic root of 47904786 is about 363.1836604476.

The spelling of 47904786 in words is "forty-seven million, nine hundred four thousand, seven hundred eighty-six".