14218389 has 16 divisors (see below), whose sum is σ = 21363840. Its totient is φ = 9344160.

The previous prime is 14218343. The next prime is 14218417. The reversal of 14218389 is 98381241.

It is not a de Polignac number, because 14218389 - 2⁷ = 14218261 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14218189) 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 15 ways as a sum of consecutive naturals, for example, 1792 + ... + 5625.

It is an arithmetic number, because the mean of its divisors is an integer number (1335240).

Almost surely, 2^14218389 is an apocalyptic number.

It is an amenable number.

14218389 is a deficient number, since it is larger than the sum of its proper divisors (7145451).

14218389 is an equidigital number, since it uses as much as digits as its factorization.

14218389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7491 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 14218389 is about 3770.7279138119. The cubic root of 14218389 is about 242.2609767956.

The spelling of 14218389 in words is "fourteen million, two hundred eighteen thousand, three hundred eighty-nine".