506172804 has 24 divisors (see below), whose sum is σ = 1189694688. Its totient is φ = 167492160.

The previous prime is 506172791. The next prime is 506172811. The reversal of 506172804 is 408271605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152302 + ... + 155589.

It is an arithmetic number, because the mean of its divisors is an integer number (49570612).

Almost surely, 2^506172804 is an apocalyptic number.

It is an amenable number.

506172804 is an abundant number, since it is smaller than the sum of its proper divisors (683521884).

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

506172804 is a wasteful number, since it uses less digits than its factorization.

506172804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308035 (or 308033 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 506172804 is about 22498.2844679322. The cubic root of 506172804 is about 796.9534147087.

The spelling of 506172804 in words is "five hundred six million, one hundred seventy-two thousand, eight hundred four".