14389979 has 4 divisors (see below), whose sum is σ = 14587176. Its totient is φ = 14192784.

The previous prime is 14389937. The next prime is 14389987. The reversal of 14389979 is 97998341.

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

It is a cyclic number.

It is not a de Polignac number, because 14389979 - 2⁸ = 14389723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14389919) 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, 98489 + ... + 98634.

It is an arithmetic number, because the mean of its divisors is an integer number (3646794).

Almost surely, 2^14389979 is an apocalyptic number.

14389979 is a deficient number, since it is larger than the sum of its proper divisors (197197).

14389979 is an equidigital number, since it uses as much as digits as its factorization.

14389979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197196.

The product of its digits is 489888, while the sum is 50.

The square root of 14389979 is about 3793.4125797229. The cubic root of 14389979 is about 243.2316317766.

The spelling of 14389979 in words is "fourteen million, three hundred eighty-nine thousand, nine hundred seventy-nine".