206680944 has 40 divisors (see below), whose sum is σ = 557142912. Its totient is φ = 65897920.

The previous prime is 206680931. The next prime is 206680963. The reversal of 206680944 is 449086602.

It is a super-2 number, since 2×206680944² = 85434025225462272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92502 + ... + 94709.

Almost surely, 2^206680944 is an apocalyptic number.

206680944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206680944 is an abundant number, since it is smaller than the sum of its proper divisors (350461968).

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

206680944 is a wasteful number, since it uses less digits than its factorization.

206680944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187245 (or 187239 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 206680944 is about 14376.4023315988. The cubic root of 206680944 is about 591.2440893825.

The spelling of 206680944 in words is "two hundred six million, six hundred eighty thousand, nine hundred forty-four".