14644939 has 8 divisors (see below), whose sum is σ = 15554160. Its totient is φ = 13741056.

The previous prime is 14644937. The next prime is 14644961. The reversal of 14644939 is 93944641.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14644939 - 2¹ = 14644937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14644937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5307 + ... + 7579.

It is an arithmetic number, because the mean of its divisors is an integer number (1944270).

Almost surely, 2^14644939 is an apocalyptic number.

14644939 is a deficient number, since it is larger than the sum of its proper divisors (909221).

14644939 is a wasteful number, since it uses less digits than its factorization.

14644939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669.

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

The square root of 14644939 is about 3826.8706536804. The cubic root of 14644939 is about 244.6597470327.

The spelling of 14644939 in words is "fourteen million, six hundred forty-four thousand, nine hundred thirty-nine".