904963 has 4 divisors (see below), whose sum is σ = 910368. Its totient is φ = 899560.

The previous prime is 904933. The next prime is 904987. The reversal of 904963 is 369409.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 904963 - 2⁵ = 904931 is a prime.

It is a Duffinian number.

904963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (904903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2443 + ... + 2788.

It is an arithmetic number, because the mean of its divisors is an integer number (227592).

2⁹⁰⁴⁹⁶³ is an apocalyptic number.

904963 is a deficient number, since it is larger than the sum of its proper divisors (5405).

904963 is a wasteful number, since it uses less digits than its factorization.

904963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 904963 is about 951.2954325550. The cubic root of 904963 is about 96.7260844903.

The spelling of 904963 in words is "nine hundred four thousand, nine hundred sixty-three".