509464904 has 32 divisors (see below), whose sum is σ = 1073459520. Its totient is φ = 224913216.

The previous prime is 509464889. The next prime is 509464909. The reversal of 509464904 is 409464905.

It is not an unprimeable number, because it can be changed into a prime (509464909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104102 + ... + 108885.

It is an arithmetic number, because the mean of its divisors is an integer number (33545610).

Almost surely, 2^509464904 is an apocalyptic number.

It is an amenable number.

509464904 is an abundant number, since it is smaller than the sum of its proper divisors (563994616).

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

509464904 is a wasteful number, since it uses less digits than its factorization.

509464904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213029 (or 213025 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 509464904 is about 22571.3292475211. The cubic root of 509464904 is about 798.6774522893.

Subtracting from 509464904 its reverse (409464905), we obtain a palindrome (99999999).

The spelling of 509464904 in words is "five hundred nine million, four hundred sixty-four thousand, nine hundred four".