14818989 has 8 divisors (see below), whose sum is σ = 19890112. Its totient is φ = 9813600.

The previous prime is 14818963. The next prime is 14818997. The reversal of 14818989 is 98981841.

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

It is not a de Polignac number, because 14818989 - 2⁵ = 14818957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14818939) 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 7 ways as a sum of consecutive naturals, for example, 15904 + ... + 16809.

It is an arithmetic number, because the mean of its divisors is an integer number (2486264).

Almost surely, 2^14818989 is an apocalyptic number.

It is an amenable number.

14818989 is a deficient number, since it is larger than the sum of its proper divisors (5071123).

14818989 is a wasteful number, since it uses less digits than its factorization.

14818989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32867.

The product of its digits is 165888, while the sum is 48.

The square root of 14818989 is about 3849.5439989692. The cubic root of 14818989 is about 245.6251644878.

The spelling of 14818989 in words is "fourteen million, eight hundred eighteen thousand, nine hundred eighty-nine".