504935409 has 16 divisors (see below), whose sum is σ = 758145024. Its totient is φ = 296149200.

The previous prime is 504935401. The next prime is 504935413. The reversal of 504935409 is 904539405.

It is not a de Polignac number, because 504935409 - 2³ = 504935401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (504935401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245769 + ... + 247814.

It is an arithmetic number, because the mean of its divisors is an integer number (47384064).

Almost surely, 2^504935409 is an apocalyptic number.

It is an amenable number.

504935409 is a deficient number, since it is larger than the sum of its proper divisors (253209615).

504935409 is a wasteful number, since it uses less digits than its factorization.

504935409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493628.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 504935409 is about 22470.7678774002. The cubic root of 504935409 is about 796.3034714240.

The spelling of 504935409 in words is "five hundred four million, nine hundred thirty-five thousand, four hundred nine".