14431918 has 16 divisors (see below), whose sum is σ = 22697136. Its totient is φ = 6874560.

The previous prime is 14431913. The next prime is 14431919. The reversal of 14431918 is 81913441.

It is a self number, because there is not a number n which added to its sum of digits gives 14431918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14431913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1480 + ... + 5572.

It is an arithmetic number, because the mean of its divisors is an integer number (1418571).

Almost surely, 2^14431918 is an apocalyptic number.

14431918 is a deficient number, since it is larger than the sum of its proper divisors (8265218).

14431918 is a wasteful number, since it uses less digits than its factorization.

14431918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179.

The product of its digits is 3456, while the sum is 31.

The square root of 14431918 is about 3798.9364301078. The cubic root of 14431918 is about 243.4676987737.

The spelling of 14431918 in words is "fourteen million, four hundred thirty-one thousand, nine hundred eighteen".