206086 has 4 divisors (see below), whose sum is σ = 309132. Its totient is φ = 103042.

The previous prime is 206083. The next prime is 206123. The reversal of 206086 is 680602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51520 + ... + 51523.

It is an arithmetic number, because the mean of its divisors is an integer number (77283).

2²⁰⁶⁰⁸⁶ is an apocalyptic number.

206086 is a deficient number, since it is larger than the sum of its proper divisors (103046).

206086 is a wasteful number, since it uses less digits than its factorization.

206086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103045.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 206086 is about 453.9669591501. The cubic root of 206086 is about 59.0676233156.

Adding to 206086 its reverse (680602), we get a palindrome (886688).

The spelling of 206086 in words is "two hundred six thousand, eighty-six".