506839904 has 24 divisors (see below), whose sum is σ = 1056538728. Its totient is φ = 238512640.

The previous prime is 506839889. The next prime is 506839933. The reversal of 506839904 is 409938605.

It is a congruent number.

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, 465302 + ... + 466389.

It is an arithmetic number, because the mean of its divisors is an integer number (44022447).

Almost surely, 2^506839904 is an apocalyptic number.

It is an amenable number.

506839904 is an abundant number, since it is smaller than the sum of its proper divisors (549698824).

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

506839904 is a wasteful number, since it uses less digits than its factorization.

506839904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931718 (or 931710 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 506839904 is about 22513.1051612167. The cubic root of 506839904 is about 797.3033704496.

The spelling of 506839904 in words is "five hundred six million, eight hundred thirty-nine thousand, nine hundred four".