206840944 has 20 divisors (see below), whose sum is σ = 402998760. Its totient is φ = 102841280.

The previous prime is 206840917. The next prime is 206840983. The reversal of 206840944 is 449048602.

It is a super-2 number, since 2×206840944² = 85566352229622272, which contains 22 as substring.

It is a congruent number.

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, 33247 + ... + 38974.

It is an arithmetic number, because the mean of its divisors is an integer number (20149938).

Almost surely, 2^206840944 is an apocalyptic number.

It is an amenable number.

206840944 is a deficient number, since it is larger than the sum of its proper divisors (196157816).

206840944 is a wasteful number, since it uses less digits than its factorization.

206840944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72408 (or 72402 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 206840944 is about 14381.9659295939. The cubic root of 206840944 is about 591.3966186094.

The spelling of 206840944 in words is "two hundred six million, eight hundred forty thousand, nine hundred forty-four".