476643904 has 56 divisors (see below), whose sum is σ = 1076724288. Its totient is φ = 207229440.

The previous prime is 476643889. The next prime is 476643907. The reversal of 476643904 is 409346674.

It is a super-2 number, since 2×476643904² = 454378822440722432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (476643907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474 + ... + 30910.

Almost surely, 2^476643904 is an apocalyptic number.

476643904 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 476643904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538362144).

476643904 is an abundant number, since it is smaller than the sum of its proper divisors (600080384).

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

476643904 is a wasteful number, since it uses less digits than its factorization.

476643904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29483 (or 29473 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 43.

The square root of 476643904 is about 21832.1758878954. The cubic root of 476643904 is about 781.1444431764.

The spelling of 476643904 in words is "four hundred seventy-six million, six hundred forty-three thousand, nine hundred four".