11889904 has 20 divisors (see below), whose sum is σ = 24809176. Its totient is φ = 5487552.

The previous prime is 11889901. The next prime is 11889923. The reversal of 11889904 is 40998811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11889901) 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 3 ways as a sum of consecutive naturals, for example, 28374 + ... + 28789.

Almost surely, 2^11889904 is an apocalyptic number.

It is an amenable number.

11889904 is an abundant number, since it is smaller than the sum of its proper divisors (12919272).

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

11889904 is a wasteful number, since it uses less digits than its factorization.

11889904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57184 (or 57178 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11889904 is about 3448.1740095303. The cubic root of 11889904 is about 228.2405381835.

The spelling of 11889904 in words is "eleven million, eight hundred eighty-nine thousand, nine hundred four".