477904 has 40 divisors (see below), whose sum is σ = 1124928. Its totient is φ = 192000.

The previous prime is 477899. The next prime is 477913. The reversal of 477904 is 409774.

477904 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779 + ... + 2029.

2⁴⁷⁷⁹⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 477904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562464).

477904 is an abundant number, since it is smaller than the sum of its proper divisors (647024).

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

477904 is a wasteful number, since it uses less digits than its factorization.

477904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 477904 is about 691.3060103890. The cubic root of 477904 is about 78.1832203888.

The spelling of 477904 in words is "four hundred seventy-seven thousand, nine hundred four".