14289866 has 16 divisors (see below), whose sum is σ = 22264200. Its totient is φ = 6870528.

The previous prime is 14289857. The next prime is 14289883. The reversal of 14289866 is 66898241.

It is a happy number.

14289866 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 4 ways, for example, as 7134241 + 7155625 = 2671^2 + 2675^2 .

It is a zygodrome in base 3.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24830 + ... + 25398.

Almost surely, 2^14289866 is an apocalyptic number.

14289866 is a deficient number, since it is larger than the sum of its proper divisors (7974334).

14289866 is a wasteful number, since it uses less digits than its factorization.

14289866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 165888, while the sum is 44.

The square root of 14289866 is about 3780.1939103702. The cubic root of 14289866 is about 242.6662536556. Note that the first 3 decimals are identical.

The spelling of 14289866 in words is "fourteen million, two hundred eighty-nine thousand, eight hundred sixty-six".