14646939 has 16 divisors (see below), whose sum is σ = 20232192. Its totient is φ = 9419328.

The previous prime is 14646917. The next prime is 14646941. The reversal of 14646939 is 93964641.

It is not a de Polignac number, because 14646939 - 2⁷ = 14646811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14646939.

It is not an unprimeable number, because it can be changed into a prime (14646949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9582 + ... + 11004.

It is an arithmetic number, because the mean of its divisors is an integer number (1264512).

Almost surely, 2^14646939 is an apocalyptic number.

14646939 is a deficient number, since it is larger than the sum of its proper divisors (5585253).

14646939 is a wasteful number, since it uses less digits than its factorization.

14646939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546.

The product of its digits is 139968, while the sum is 42.

The square root of 14646939 is about 3827.1319548717. The cubic root of 14646939 is about 244.6708839226.

It can be divided in two parts, 14 and 646939, that added together give a triangular number (646953 = T₁₁₃₇).

The spelling of 14646939 in words is "fourteen million, six hundred forty-six thousand, nine hundred thirty-nine".