904660 has 12 divisors (see below), whose sum is σ = 1899828. Its totient is φ = 361856.

The previous prime is 904643. The next prime is 904661. The reversal of 904660 is 66409.

It can be written as a sum of positive squares in 2 ways, for example, as 662596 + 242064 = 814^2 + 492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904661) 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, 22597 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (158319).

2⁹⁰⁴⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

904660 is an abundant number, since it is smaller than the sum of its proper divisors (995168).

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

904660 is a wasteful number, since it uses less digits than its factorization.

904660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45242 (or 45240 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 904660 is about 951.1361627023. The cubic root of 904660 is about 96.7152879991.

The spelling of 904660 in words is "nine hundred four thousand, six hundred sixty".