904894 has 8 divisors (see below), whose sum is σ = 1428840. Its totient is φ = 428616.

The previous prime is 904879. The next prime is 904901. The reversal of 904894 is 498409.

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

It is a congruent number.

It is an unprimeable number.

904894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11869 + ... + 11944.

It is an arithmetic number, because the mean of its divisors is an integer number (178605).

2⁹⁰⁴⁸⁹⁴ is an apocalyptic number.

904894 is a deficient number, since it is larger than the sum of its proper divisors (523946).

904894 is a wasteful number, since it uses less digits than its factorization.

904894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23834.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 904894 is about 951.2591655275. The cubic root of 904894 is about 96.7236260953.

The spelling of 904894 in words is "nine hundred four thousand, eight hundred ninety-four".