904043 has 16 divisors (see below), whose sum is σ = 1119744. Its totient is φ = 712320.

The previous prime is 904027. The next prime is 904049. The reversal of 904043 is 340409.

It is not a de Polignac number, because 904043 - 2⁴ = 904027 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (904049) by changing a digit.

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, 8396 + ... + 8502.

It is an arithmetic number, because the mean of its divisors is an integer number (69984).

2⁹⁰⁴⁰⁴³ is an apocalyptic number.

904043 is a deficient number, since it is larger than the sum of its proper divisors (215701).

904043 is a wasteful number, since it uses less digits than its factorization.

904043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 904043 is about 950.8117584464. The cubic root of 904043 is about 96.6932956100.

The spelling of 904043 in words is "nine hundred four thousand, forty-three".