4921904 has 20 divisors (see below), whose sum is σ = 10270176. Its totient is φ = 2271552.

The previous prime is 4921883. The next prime is 4921913. The reversal of 4921904 is 4091294.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11624 + ... + 12039.

Almost surely, 2^4921904 is an apocalyptic number.

It is an amenable number.

4921904 is an abundant number, since it is smaller than the sum of its proper divisors (5348272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4921904 is a wasteful number, since it uses less digits than its factorization.

4921904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23684 (or 23678 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 4921904 is about 2218.5364545123. The cubic root of 4921904 is about 170.1026369827.

It can be divided in two parts, 49 and 21904, that multiplied together give a square (1073296 = 1036²).

The spelling of 4921904 in words is "four million, nine hundred twenty-one thousand, nine hundred four".