63904460 has 12 divisors (see below), whose sum is σ = 134199408. Its totient is φ = 25561776.

The previous prime is 63904459. The next prime is 63904471. The reversal of 63904460 is 6440936.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 1597592 + ... + 1597631.

It is an arithmetic number, because the mean of its divisors is an integer number (11183284).

Almost surely, 2^63904460 is an apocalyptic number.

It is an amenable number.

63904460 is an abundant number, since it is smaller than the sum of its proper divisors (70294948).

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

63904460 is a wasteful number, since it uses less digits than its factorization.

63904460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3195232 (or 3195230 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 63904460 is about 7994.0265198459. The cubic root of 63904460 is about 399.8008592071.

The spelling of 63904460 in words is "sixty-three million, nine hundred four thousand, four hundred sixty".