904863 has 8 divisors (see below), whose sum is σ = 1220400. Its totient is φ = 596288.

The previous prime is 904861. The next prime is 904867. The reversal of 904863 is 368409.

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 904863 - 2¹ = 904861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 904863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904861) 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, 1428 + ... + 1961.

It is an arithmetic number, because the mean of its divisors is an integer number (152550).

2⁹⁰⁴⁸⁶³ is an apocalyptic number.

904863 is a deficient number, since it is larger than the sum of its proper divisors (315537).

904863 is a wasteful number, since it uses less digits than its factorization.

904863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 904863 is about 951.2428711954. The cubic root of 904863 is about 96.7225215583.

The spelling of 904863 in words is "nine hundred four thousand, eight hundred sixty-three".