904742 has 16 divisors (see below), whose sum is σ = 1479600. Its totient is φ = 413280.

The previous prime is 904733. The next prime is 904759. The reversal of 904742 is 247409.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692 + ... + 1512.

It is an arithmetic number, because the mean of its divisors is an integer number (92475).

2⁹⁰⁴⁷⁴² is an apocalyptic number.

904742 is a deficient number, since it is larger than the sum of its proper divisors (574858).

904742 is a wasteful number, since it uses less digits than its factorization.

904742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 904742 is about 951.1792680668. The cubic root of 904742 is about 96.7182100597.

The spelling of 904742 in words is "nine hundred four thousand, seven hundred forty-two".