503469989 has 24 divisors (see below), whose sum is σ = 574215264. Its totient is φ = 440748000.

The previous prime is 503469983. The next prime is 503470001. The reversal of 503469989 is 989964305.

It is not a de Polignac number, because 503469989 - 2²⁸ = 235034533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 503469989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503469983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 478514 + ... + 479564.

It is an arithmetic number, because the mean of its divisors is an integer number (23925636).

Almost surely, 2^503469989 is an apocalyptic number.

It is an amenable number.

503469989 is a deficient number, since it is larger than the sum of its proper divisors (70745275).

503469989 is a wasteful number, since it uses less digits than its factorization.

503469989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 503469989 is about 22438.1369324639. The cubic root of 503469989 is about 795.5323828777.

The spelling of 503469989 in words is "five hundred three million, four hundred sixty-nine thousand, nine hundred eighty-nine".