206840682 has 64 divisors (see below), whose sum is σ = 470568960. Its totient is φ = 67329792.

The previous prime is 206840677. The next prime is 206840701. The reversal of 206840682 is 286048602.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539863 + ... + 540245.

It is an arithmetic number, because the mean of its divisors is an integer number (7352640).

Almost surely, 2^206840682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206840682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235284480).

206840682 is an abundant number, since it is smaller than the sum of its proper divisors (263728278).

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

206840682 is a wasteful number, since it uses less digits than its factorization.

206840682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 206840682 is about 14381.9568209615. The cubic root of 206840682 is about 591.3963689071.

The spelling of 206840682 in words is "two hundred six million, eight hundred forty thousand, six hundred eighty-two".