11439888 has 20 divisors (see below), whose sum is σ = 29553168. Its totient is φ = 3813280.

The previous prime is 11439887. The next prime is 11439917. The reversal of 11439888 is 88893411.

It is not an unprimeable number, because it can be changed into a prime (11439887) 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, 119118 + ... + 119213.

Almost surely, 2^11439888 is an apocalyptic number.

It is an amenable number.

11439888 is an abundant number, since it is smaller than the sum of its proper divisors (18113280).

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

11439888 is a wasteful number, since it uses less digits than its factorization.

11439888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238342 (or 238336 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 11439888 is about 3382.2903482699. The cubic root of 11439888 is about 225.3238989394.

The spelling of 11439888 in words is "eleven million, four hundred thirty-nine thousand, eight hundred eighty-eight".