14789864 has 24 divisors (see below), whose sum is σ = 29462790. Its totient is φ = 6958848.

The previous prime is 14789857. The next prime is 14789869. The reversal of 14789864 is 46898741.

14789864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12040900 + 2748964 = 3470^2 + 1658^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (14789869) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 887 + ... + 5510.

Almost surely, 2^14789864 is an apocalyptic number.

It is an amenable number.

14789864 is a deficient number, since it is larger than the sum of its proper divisors (14672926).

14789864 is a wasteful number, since it uses less digits than its factorization.

14789864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437 (or 6416 counting only the distinct ones).

The product of its digits is 387072, while the sum is 47.

The square root of 14789864 is about 3845.7592228323. The cubic root of 14789864 is about 245.4641430507.

The spelling of 14789864 in words is "fourteen million, seven hundred eighty-nine thousand, eight hundred sixty-four".