11439684 has 48 divisors (see below), whose sum is σ = 30085440. Its totient is φ = 3758400.

The previous prime is 11439643. The next prime is 11439707. The reversal of 11439684 is 48693411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7159 + ... + 8609.

It is an arithmetic number, because the mean of its divisors is an integer number (626780).

Almost surely, 2^11439684 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 11439684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15042720).

11439684 is an abundant number, since it is smaller than the sum of its proper divisors (18645756).

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

11439684 is a wasteful number, since it uses less digits than its factorization.

11439684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537 (or 1529 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 11439684 is about 3382.2601910557. The cubic root of 11439684 is about 225.3225595804.

The spelling of 11439684 in words is "eleven million, four hundred thirty-nine thousand, six hundred eighty-four".