13944964 has 48 divisors (see below), whose sum is σ = 28619136. Its totient is φ = 5875200.

The previous prime is 13944949. The next prime is 13944979. The reversal of 13944964 is 46944931.

It is an interprime number because it is at equal distance from previous prime (13944949) and next prime (13944979).

It is a super-2 number, since 2×13944964² = 388924041922592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76954 + ... + 77134.

It is an arithmetic number, because the mean of its divisors is an integer number (596232).

Almost surely, 2^13944964 is an apocalyptic number.

It is an amenable number.

13944964 is an abundant number, since it is smaller than the sum of its proper divisors (14674172).

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

13944964 is a wasteful number, since it uses less digits than its factorization.

13944964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 314 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 13944964 is about 3734.2956497846. The cubic root of 13944964 is about 240.6979912147.

The spelling of 13944964 in words is "thirteen million, nine hundred forty-four thousand, nine hundred sixty-four".