11039904 has 36 divisors (see below), whose sum is σ = 31395546. Its totient is φ = 3679872.

The previous prime is 11039887. The next prime is 11039909. The reversal of 11039904 is 40993011.

It can be written as a sum of positive squares in only one way, i.e., 8643600 + 2396304 = 2940^2 + 1548^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (11039909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18879 + ... + 19454.

Almost surely, 2^11039904 is an apocalyptic number.

It is an amenable number.

11039904 is an abundant number, since it is smaller than the sum of its proper divisors (20355642).

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

11039904 is a wasteful number, since it uses less digits than its factorization.

11039904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38349 (or 38338 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11039904 is about 3322.6350988335. The cubic root of 11039904 is about 222.6666108900. Note that the first 4 decimals are identical.

The spelling of 11039904 in words is "eleven million, thirty-nine thousand, nine hundred four".