13944164 has 48 divisors (see below), whose sum is σ = 27941760. Its totient is φ = 6040320.

The previous prime is 13944137. The next prime is 13944167. The reversal of 13944164 is 46144931.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13944164.

It is not an unprimeable number, because it can be changed into a prime (13944167) 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 15 ways as a sum of consecutive naturals, for example, 106379 + ... + 106509.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^13944164 is an apocalyptic number.

It is an amenable number.

13944164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

13944164 is a wasteful number, since it uses less digits than its factorization.

13944164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 258 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 13944164 is about 3734.1885330015. The cubic root of 13944164 is about 240.6933883087.

The spelling of 13944164 in words is "thirteen million, nine hundred forty-four thousand, one hundred sixty-four".