495491904 has 70 divisors (see below), whose sum is σ = 1468808594. Its totient is φ = 165162240.

The previous prime is 495491849. The next prime is 495491957. The reversal of 495491904 is 409194594.

It can be written as a sum of positive squares in only one way, i.e., 494973504 + 518400 = 22248^2 + 720^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 495491904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42607 + ... + 52974.

Almost surely, 2^495491904 is an apocalyptic number.

It is an amenable number.

495491904 is an abundant number, since it is smaller than the sum of its proper divisors (973316690).

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

495491904 is an equidigital number, since it uses as much as digits as its factorization.

495491904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95605 (or 95586 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 495491904 is about 22259.6474365611. The cubic root of 495491904 is about 791.3079353819.

The spelling of 495491904 in words is "four hundred ninety-five million, four hundred ninety-one thousand, nine hundred four".