14861979 has 48 divisors (see below), whose sum is σ = 25069824. Its totient is φ = 8395200.

The previous prime is 14861953. The next prime is 14861983. The reversal of 14861979 is 97916841.

It is a happy number.

It is not a de Polignac number, because 14861979 - 2¹⁷ = 14730907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14861909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138844 + ... + 138950.

It is an arithmetic number, because the mean of its divisors is an integer number (522288).

Almost surely, 2^14861979 is an apocalyptic number.

14861979 is a deficient number, since it is larger than the sum of its proper divisors (10207845).

14861979 is a wasteful number, since it uses less digits than its factorization.

14861979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 205 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 14861979 is about 3855.1237334228. The cubic root of 14861979 is about 245.8624553326.

The spelling of 14861979 in words is "fourteen million, eight hundred sixty-one thousand, nine hundred seventy-nine".