509380004 has 12 divisors (see below), whose sum is σ = 1018760064. Its totient is φ = 218305704.

The previous prime is 509379991. The next prime is 509380049. The reversal of 509380004 is 400083905.

509380004 is an admirable 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, 9096044 + ... + 9096099.

It is an arithmetic number, because the mean of its divisors is an integer number (84896672).

Almost surely, 2^509380004 is an apocalyptic number.

It is an amenable number.

509380004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

509380004 is a wasteful number, since it uses less digits than its factorization.

509380004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18192154 (or 18192152 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 509380004 is about 22569.4484646834. The cubic root of 509380004 is about 798.6330845078.

The spelling of 509380004 in words is "five hundred nine million, three hundred eighty thousand, four".