904634 has 16 divisors (see below), whose sum is σ = 1418208. Its totient is φ = 432432.

The previous prime is 904633. The next prime is 904637. The reversal of 904634 is 436409.

It is not an unprimeable number, because it can be changed into a prime (904633) 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 7 ways as a sum of consecutive naturals, for example, 5684 + ... + 5840.

It is an arithmetic number, because the mean of its divisors is an integer number (88638).

2⁹⁰⁴⁶³⁴ is an apocalyptic number.

904634 is a deficient number, since it is larger than the sum of its proper divisors (513574).

904634 is a wasteful number, since it uses less digits than its factorization.

904634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 904634 is about 951.1224947398. The cubic root of 904634 is about 96.7143614552.

The spelling of 904634 in words is "nine hundred four thousand, six hundred thirty-four".