206959 has 4 divisors (see below), whose sum is σ = 211816. Its totient is φ = 202104.

The previous prime is 206953. The next prime is 206993. The reversal of 206959 is 959602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 206959 - 2³ = 206951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206951) 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, 2364 + ... + 2449.

It is an arithmetic number, because the mean of its divisors is an integer number (52954).

2²⁰⁶⁹⁵⁹ is an apocalyptic number.

206959 is a deficient number, since it is larger than the sum of its proper divisors (4857).

206959 is an equidigital number, since it uses as much as digits as its factorization.

206959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 206959 is about 454.9274667461. The cubic root of 206959 is about 59.1509111876.

The spelling of 206959 in words is "two hundred six thousand, nine hundred fifty-nine".