206628286 has 8 divisors (see below), whose sum is σ = 311086944. Its totient is φ = 102932640.

The previous prime is 206628281. The next prime is 206628293. The reversal of 206628286 is 682826602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206628281) 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, 190075 + ... + 191158.

It is an arithmetic number, because the mean of its divisors is an integer number (38885868).

Almost surely, 2^206628286 is an apocalyptic number.

206628286 is a deficient number, since it is larger than the sum of its proper divisors (104458658).

206628286 is a wasteful number, since it uses less digits than its factorization.

206628286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381506.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 206628286 is about 14374.5708109842. The cubic root of 206628286 is about 591.1938728908.

The spelling of 206628286 in words is "two hundred six million, six hundred twenty-eight thousand, two hundred eighty-six".