206813892 has 24 divisors (see below), whose sum is σ = 486253152. Its totient is φ = 68411200.

The previous prime is 206813837. The next prime is 206813899. The reversal of 206813892 is 298318602.

It is a happy number.

206813892 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 206813892.

It is not an unprimeable number, because it can be changed into a prime (206813899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64209 + ... + 67352.

It is an arithmetic number, because the mean of its divisors is an integer number (20260548).

Almost surely, 2^206813892 is an apocalyptic number.

It is an amenable number.

206813892 is an abundant number, since it is smaller than the sum of its proper divisors (279439260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206813892 is a wasteful number, since it uses less digits than its factorization.

206813892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131699 (or 131697 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 206813892 is about 14381.0254154563. The cubic root of 206813892 is about 591.3708352570.

The spelling of 206813892 in words is "two hundred six million, eight hundred thirteen thousand, eight hundred ninety-two".