500639394 has 16 divisors (see below), whose sum is σ = 1022583168. Its totient is φ = 163329072.

The previous prime is 500639371. The next prime is 500639401. The reversal of 500639394 is 493936005.

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, 887377 + ... + 887940.

It is an arithmetic number, because the mean of its divisors is an integer number (63911448).

Almost surely, 2^500639394 is an apocalyptic number.

500639394 is an abundant number, since it is smaller than the sum of its proper divisors (521943774).

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

500639394 is a wasteful number, since it uses less digits than its factorization.

500639394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775369.

The product of its (nonzero) digits is 87480, while the sum is 39.

The square root of 500639394 is about 22374.9724916032. The cubic root of 500639394 is about 794.0387067739.

The spelling of 500639394 in words is "five hundred million, six hundred thirty-nine thousand, three hundred ninety-four".