904313 has 4 divisors (see below), whose sum is σ = 915840. Its totient is φ = 892788.

The previous prime is 904303. The next prime is 904357. The reversal of 904313 is 313409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 904313 - 2⁴ = 904297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (904303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645 + ... + 5802.

It is an arithmetic number, because the mean of its divisors is an integer number (228960).

2⁹⁰⁴³¹³ is an apocalyptic number.

It is an amenable number.

904313 is a deficient number, since it is larger than the sum of its proper divisors (11527).

904313 is a wasteful number, since it uses less digits than its factorization.

904313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 904313 is about 950.9537317872. The cubic root of 904313 is about 96.7029207389.

The spelling of 904313 in words is "nine hundred four thousand, three hundred thirteen".