904943 has 8 divisors (see below), whose sum is σ = 983136. Its totient is φ = 828000.

The previous prime is 904933. The next prime is 904987. The reversal of 904943 is 349409.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 904943 - 2⁶ = 904879 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 (904903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (122892).

2⁹⁰⁴⁹⁴³ is an apocalyptic number.

904943 is a deficient number, since it is larger than the sum of its proper divisors (78193).

904943 is a wasteful number, since it uses less digits than its factorization.

904943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 904943 is about 951.2849205154. The cubic root of 904943 is about 96.7253719249.

The spelling of 904943 in words is "nine hundred four thousand, nine hundred forty-three".