11439064 has 64 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 4281984.

The previous prime is 11439059. The next prime is 11439067. The reversal of 11439064 is 46093411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439067) 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 15 ways as a sum of consecutive naturals, for example, 13419 + ... + 14245.

It is an arithmetic number, because the mean of its divisors is an integer number (434700).

Almost surely, 2^11439064 is an apocalyptic number.

11439064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11439064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13910400).

11439064 is an abundant number, since it is smaller than the sum of its proper divisors (16381736).

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

11439064 is a wasteful number, since it uses less digits than its factorization.

11439064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 11439064 is about 3382.1685351265. The cubic root of 11439064 is about 225.3184888820.

The spelling of 11439064 in words is "eleven million, four hundred thirty-nine thousand, sixty-four".