904308560 has 20 divisors (see below), whose sum is σ = 2102517588. Its totient is φ = 361723392.

The previous prime is 904308551. The next prime is 904308569. The reversal of 904308560 is 65803409.

It is an interprime number because it is at equal distance from previous prime (904308551) and next prime (904308569).

It can be written as a sum of positive squares in 2 ways, for example, as 145636624 + 758671936 = 12068^2 + 27544^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 904308560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904308569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5651849 + ... + 5652008.

Almost surely, 2^904308560 is an apocalyptic number.

It is an amenable number.

904308560 is an abundant number, since it is smaller than the sum of its proper divisors (1198209028).

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

904308560 is a wasteful number, since it uses less digits than its factorization.

904308560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303870 (or 11303864 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 904308560 is about 30071.7235954310. The cubic root of 904308560 is about 967.0276247452.

The spelling of 904308560 in words is "nine hundred four million, three hundred eight thousand, five hundred sixty".