504091872 has 36 divisors (see below), whose sum is σ = 1433512080. Its totient is φ = 168030528.

The previous prime is 504091859. The next prime is 504091921. The reversal of 504091872 is 278190405.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 874872 + ... + 875447.

It is an arithmetic number, because the mean of its divisors is an integer number (39819780).

Almost surely, 2^504091872 is an apocalyptic number.

It is an amenable number.

504091872 is an abundant number, since it is smaller than the sum of its proper divisors (929420208).

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

504091872 is a wasteful number, since it uses less digits than its factorization.

504091872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750335 (or 1750324 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 504091872 is about 22451.9903794742. The cubic root of 504091872 is about 795.8597936605.

The spelling of 504091872 in words is "five hundred four million, ninety-one thousand, eight hundred seventy-two".