13944464 has 20 divisors (see below), whose sum is σ = 27288060. Its totient is φ = 6902400.

The previous prime is 13944439. The next prime is 13944481. The reversal of 13944464 is 46444931.

It can be written as a sum of positive squares in 2 ways, for example, as 12306064 + 1638400 = 3508^2 + 1280^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699 + ... + 5930.

It is an arithmetic number, because the mean of its divisors is an integer number (1364403).

Almost surely, 2^13944464 is an apocalyptic number.

It is an amenable number.

13944464 is a deficient number, since it is larger than the sum of its proper divisors (13343596).

13944464 is a wasteful number, since it uses less digits than its factorization.

13944464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8738 (or 8732 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 13944464 is about 3734.2287021552. The cubic root of 13944464 is about 240.6951144190.

The spelling of 13944464 in words is "thirteen million, nine hundred forty-four thousand, four hundred sixty-four".