14664789 has 24 divisors (see below), whose sum is σ = 22464000. Its totient is φ = 9192960.

The previous prime is 14664779. The next prime is 14664803. The reversal of 14664789 is 98746641.

It is not a de Polignac number, because 14664789 - 2⁴ = 14664773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14664709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32437 + ... + 32885.

It is an arithmetic number, because the mean of its divisors is an integer number (936000).

Almost surely, 2^14664789 is an apocalyptic number.

14664789 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14664789 is a deficient number, since it is larger than the sum of its proper divisors (7799211).

14664789 is a wasteful number, since it uses less digits than its factorization.

14664789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 662 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 14664789 is about 3829.4632783198. The cubic root of 14664789 is about 244.7702357924.

The spelling of 14664789 in words is "fourteen million, six hundred sixty-four thousand, seven hundred eighty-nine".