11239904 has 48 divisors (see below), whose sum is σ = 24449040. Its totient is φ = 5053440.

The previous prime is 11239903. The next prime is 11239927. The reversal of 11239904 is 40993211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11239903) 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, 16727 + ... + 17385.

It is an arithmetic number, because the mean of its divisors is an integer number (509355).

Almost surely, 2^11239904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11239904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12224520).

11239904 is an abundant number, since it is smaller than the sum of its proper divisors (13209136).

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

11239904 is a wasteful number, since it uses less digits than its factorization.

11239904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 11239904 is about 3352.5966056178. The cubic root of 11239904 is about 224.0031887301.

The spelling of 11239904 in words is "eleven million, two hundred thirty-nine thousand, nine hundred four".