14218989 has 8 divisors (see below), whose sum is σ = 19471200. Its totient is φ = 9223056.

The previous prime is 14218969. The next prime is 14218993. The reversal of 14218989 is 98981241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14218989 - 2⁷ = 14218861 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14218989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14218969) 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, 63939 + ... + 64160.

It is an arithmetic number, because the mean of its divisors is an integer number (2433900).

Almost surely, 2^14218989 is an apocalyptic number.

It is an amenable number.

14218989 is a deficient number, since it is larger than the sum of its proper divisors (5252211).

14218989 is a wasteful number, since it uses less digits than its factorization.

14218989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128139.

The product of its digits is 41472, while the sum is 42.

The square root of 14218989 is about 3770.8074732078. The cubic root of 14218989 is about 242.2643844611.

The spelling of 14218989 in words is "fourteen million, two hundred eighteen thousand, nine hundred eighty-nine".