904923 has 6 divisors (see below), whose sum is σ = 1307124. Its totient is φ = 603276.

The previous prime is 904919. The next prime is 904931. The reversal of 904923 is 329409.

It is not a de Polignac number, because 904923 - 2² = 904919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (904903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50265 + ... + 50282.

It is an arithmetic number, because the mean of its divisors is an integer number (217854).

2⁹⁰⁴⁹²³ is an apocalyptic number.

904923 is a deficient number, since it is larger than the sum of its proper divisors (402201).

904923 is a wasteful number, since it uses less digits than its factorization.

904923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100553 (or 100550 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 904923 is about 951.2744083596. The cubic root of 904923 is about 96.7246593490.

The spelling of 904923 in words is "nine hundred four thousand, nine hundred twenty-three".