14418939 has 4 divisors (see below), whose sum is σ = 19225256. Its totient is φ = 9612624.

The previous prime is 14418919. The next prime is 14418949. The reversal of 14418939 is 93981441.

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

It is not a de Polignac number, because 14418939 - 2⁹ = 14418427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14418897 and 14418906.

It is not an unprimeable number, because it can be changed into a prime (14418919) 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, 2403154 + ... + 2403159.

It is an arithmetic number, because the mean of its divisors is an integer number (4806314).

Almost surely, 2^14418939 is an apocalyptic number.

14418939 is a deficient number, since it is larger than the sum of its proper divisors (4806317).

14418939 is an equidigital number, since it uses as much as digits as its factorization.

14418939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806316.

The product of its digits is 31104, while the sum is 39.

The square root of 14418939 is about 3797.2278045964. The cubic root of 14418939 is about 243.3946912678.

The spelling of 14418939 in words is "fourteen million, four hundred eighteen thousand, nine hundred thirty-nine".