427807904 has 24 divisors (see below), whose sum is σ = 843621408. Its totient is φ = 213554880.

The previous prime is 427807871. The next prime is 427807951. The reversal of 427807904 is 409708724.

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, 9599 + ... + 30785.

It is an arithmetic number, because the mean of its divisors is an integer number (35150892).

Almost surely, 2^427807904 is an apocalyptic number.

It is an amenable number.

427807904 is a deficient number, since it is larger than the sum of its proper divisors (415813504).

427807904 is a wasteful number, since it uses less digits than its factorization.

427807904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828 (or 21820 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 427807904 is about 20683.5176892133. The cubic root of 427807904 is about 753.4994414471.

The spelling of 427807904 in words is "four hundred twenty-seven million, eight hundred seven thousand, nine hundred four".