904959 has 24 divisors (see below), whose sum is σ = 1478960. Its totient is φ = 546480.

The previous prime is 904933. The next prime is 904987. The reversal of 904959 is 959409.

It is not a de Polignac number, because 904959 - 2¹² = 900863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3129 + ... + 3405.

2⁹⁰⁴⁹⁵⁹ is an apocalyptic number.

904959 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

904959 is a deficient number, since it is larger than the sum of its proper divisors (574001).

904959 is a wasteful number, since it uses less digits than its factorization.

904959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 291 counting only the distinct ones).

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

The square root of 904959 is about 951.2933301564. The cubic root of 904959 is about 96.7259419780.

The spelling of 904959 in words is "nine hundred four thousand, nine hundred fifty-nine".