904255 has 16 divisors (see below), whose sum is σ = 1215648. Its totient is φ = 640000.

The previous prime is 904219. The next prime is 904261. The reversal of 904255 is 552409.

It is a de Polignac number, because none of the positive numbers 2^k-904255 is a prime.

It is a Duffinian number.

904255 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2055 + ... + 2455.

It is an arithmetic number, because the mean of its divisors is an integer number (75978).

2⁹⁰⁴²⁵⁵ is an apocalyptic number.

904255 is a deficient number, since it is larger than the sum of its proper divisors (311393).

904255 is a wasteful number, since it uses less digits than its factorization.

904255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 904255 is about 950.9232355979. The cubic root of 904255 is about 96.7008532802.

The spelling of 904255 in words is "nine hundred four thousand, two hundred fifty-five".