14872989 has 4 divisors (see below), whose sum is σ = 19830656. Its totient is φ = 9915324.

The previous prime is 14872981. The next prime is 14872993. The reversal of 14872989 is 98927841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98927841 = 3 ⋅32975947.

It is not a de Polignac number, because 14872989 - 2³ = 14872981 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 (14872981) 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, 2478829 + ... + 2478834.

It is an arithmetic number, because the mean of its divisors is an integer number (4957664).

Almost surely, 2^14872989 is an apocalyptic number.

It is an amenable number.

14872989 is a deficient number, since it is larger than the sum of its proper divisors (4957667).

14872989 is an equidigital number, since it uses as much as digits as its factorization.

14872989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957666.

The product of its digits is 290304, while the sum is 48.

The square root of 14872989 is about 3856.5514387857. The cubic root of 14872989 is about 245.9231533383.

It can be divided in two parts, 148 and 72989, that added together give a palindrome (73137).

The spelling of 14872989 in words is "fourteen million, eight hundred seventy-two thousand, nine hundred eighty-nine".