14723989 has 8 divisors (see below), whose sum is σ = 17817408. Its totient is φ = 11878080.

The previous prime is 14723971. The next prime is 14724001. The reversal of 14723989 is 98932741.

14723989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14723989 - 2⁷ = 14723861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14723939) 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, 61747 + ... + 61984.

It is an arithmetic number, because the mean of its divisors is an integer number (2227176).

Almost surely, 2^14723989 is an apocalyptic number.

It is an amenable number.

14723989 is a deficient number, since it is larger than the sum of its proper divisors (3093419).

14723989 is a wasteful number, since it uses less digits than its factorization.

14723989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123755.

The product of its digits is 108864, while the sum is 43.

The square root of 14723989 is about 3837.1850359345. The cubic root of 14723989 is about 245.0991629685.

The spelling of 14723989 in words is "fourteen million, seven hundred twenty-three thousand, nine hundred eighty-nine".