206814856 has 16 divisors (see below), whose sum is σ = 391337100. Its totient is φ = 102458304.

The previous prime is 206814847. The next prime is 206814887. The reversal of 206814856 is 658418602.

206814856 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 2 ways, for example, as 161036100 + 45778756 = 12690^2 + 6766^2 .

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, 117715 + ... + 119458.

Almost surely, 2^206814856 is an apocalyptic number.

It is an amenable number.

206814856 is a deficient number, since it is larger than the sum of its proper divisors (184522244).

206814856 is a wasteful number, since it uses less digits than its factorization.

206814856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237288 (or 237284 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 206814856 is about 14381.0589318033. The cubic root of 206814856 is about 591.3717540873.

The spelling of 206814856 in words is "two hundred six million, eight hundred fourteen thousand, eight hundred fifty-six".