904955 has 8 divisors (see below), whose sum is σ = 1091904. Its totient is φ = 720000.

The previous prime is 904933. The next prime is 904987. The reversal of 904955 is 559409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-904955 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830 + ... + 1580.

It is an arithmetic number, because the mean of its divisors is an integer number (136488).

2⁹⁰⁴⁹⁵⁵ is an apocalyptic number.

904955 is a deficient number, since it is larger than the sum of its proper divisors (186949).

904955 is a wasteful number, since it uses less digits than its factorization.

904955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 904955 is about 951.2912277531. The cubic root of 904955 is about 96.7257994654.

The spelling of 904955 in words is "nine hundred four thousand, nine hundred fifty-five".