508256838 has 12 divisors (see below), whose sum is σ = 1101223188. Its totient is φ = 169418940.

The previous prime is 508256831. The next prime is 508256867. The reversal of 508256838 is 838652805.

It is a happy number.

508256838 is a `hidden beast` number, since 5 + 0 + 82 + 568 + 3 + 8 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 508256793 and 508256802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (508256831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14118228 + ... + 14118263.

It is an arithmetic number, because the mean of its divisors is an integer number (91768599).

Almost surely, 2^508256838 is an apocalyptic number.

508256838 is an abundant number, since it is smaller than the sum of its proper divisors (592966350).

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

508256838 is a wasteful number, since it uses less digits than its factorization.

508256838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28236499 (or 28236496 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 508256838 is about 22544.5522909638. The cubic root of 508256838 is about 798.0456660697.

The spelling of 508256838 in words is "five hundred eight million, two hundred fifty-six thousand, eight hundred thirty-eight".