904995 has 72 divisors (see below), whose sum is σ = 2055456. Its totient is φ = 359424.

The previous prime is 904987. The next prime is 904997. The reversal of 904995 is 599409.

It is not a de Polignac number, because 904995 - 2³ = 904987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (904997) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 53227 + ... + 53243.

It is an arithmetic number, because the mean of its divisors is an integer number (28548).

2⁹⁰⁴⁹⁹⁵ is an apocalyptic number.

904995 is an abundant number, since it is smaller than the sum of its proper divisors (1150461).

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

904995 is a wasteful number, since it uses less digits than its factorization.

904995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 904995 is about 951.3122515767. The cubic root of 904995 is about 96.7272245731.

The spelling of 904995 in words is "nine hundred four thousand, nine hundred ninety-five".