206813944 has 16 divisors (see below), whose sum is σ = 387948600. Its totient is φ = 103360992.

The previous prime is 206813923. The next prime is 206813947. The reversal of 206813944 is 449318602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206813947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20322 + ... + 28750.

Almost surely, 2^206813944 is an apocalyptic number.

It is an amenable number.

206813944 is a deficient number, since it is larger than the sum of its proper divisors (181134656).

206813944 is a wasteful number, since it uses less digits than its factorization.

206813944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502 (or 11498 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 206813944 is about 14381.0272233940. The cubic root of 206813944 is about 591.3708848205.

The spelling of 206813944 in words is "two hundred six million, eight hundred thirteen thousand, nine hundred forty-four".