14939931 has 4 divisors (see below), whose sum is σ = 19919912. Its totient is φ = 9959952.

The previous prime is 14939879. The next prime is 14939983. The reversal of 14939931 is 13993941.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (14939879) and next prime (14939983).

It is not a de Polignac number, because 14939931 - 2¹⁰ = 14938907 is a prime.

It is a super-2 number, since 2×14939931² = 446403076569522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14939931.

It is not an unprimeable number, because it can be changed into a prime (16939931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489986 + ... + 2489991.

It is an arithmetic number, because the mean of its divisors is an integer number (4979978).

Almost surely, 2^14939931 is an apocalyptic number.

14939931 is a deficient number, since it is larger than the sum of its proper divisors (4979981).

14939931 is an equidigital number, since it uses as much as digits as its factorization.

14939931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979980.

The product of its digits is 26244, while the sum is 39.

The square root of 14939931 is about 3865.2206922762. The cubic root of 14939931 is about 246.2915605770.

The spelling of 14939931 in words is "fourteen million, nine hundred thirty-nine thousand, nine hundred thirty-one".