214689806 has 4 divisors (see below), whose sum is σ = 322034712. Its totient is φ = 107344902.

The previous prime is 214689791. The next prime is 214689857. The reversal of 214689806 is 608986412.

It is a happy number.

214689806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53672450 + ... + 53672453.

It is an arithmetic number, because the mean of its divisors is an integer number (80508678).

Almost surely, 2^214689806 is an apocalyptic number.

214689806 is a deficient number, since it is larger than the sum of its proper divisors (107344906).

214689806 is a wasteful number, since it uses less digits than its factorization.

214689806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107344905.

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

The square root of 214689806 is about 14652.2969530378. The cubic root of 214689806 is about 598.7843962498.

The spelling of 214689806 in words is "two hundred fourteen million, six hundred eighty-nine thousand, eight hundred six".