14218906 has 8 divisors (see below), whose sum is σ = 22969044. Its totient is φ = 6562560.

The previous prime is 14218891. The next prime is 14218927. The reversal of 14218906 is 60981241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14175225 + 43681 = 3765^2 + 209^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273415 + ... + 273466.

Almost surely, 2^14218906 is an apocalyptic number.

14218906 is a deficient number, since it is larger than the sum of its proper divisors (8750138).

14218906 is a wasteful number, since it uses less digits than its factorization.

14218906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546896.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 14218906 is about 3770.7964675914. The cubic root of 14218906 is about 242.2639130731.

The spelling of 14218906 in words is "fourteen million, two hundred eighteen thousand, nine hundred six".