206368 has 12 divisors (see below), whose sum is σ = 406350. Its totient is φ = 103168.

The previous prime is 206351. The next prime is 206369. The reversal of 206368 is 863602.

It can be written as a sum of positive squares in only one way, i.e., 121104 + 85264 = 348^2 + 292^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193 + ... + 3256.

2²⁰⁶³⁶⁸ is an apocalyptic number.

It is an amenable number.

206368 is a deficient number, since it is larger than the sum of its proper divisors (199982).

206368 is an equidigital number, since it uses as much as digits as its factorization.

206368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6459 (or 6451 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 206368 is about 454.2774482626. The cubic root of 206368 is about 59.0945529759.

The spelling of 206368 in words is "two hundred six thousand, three hundred sixty-eight".