206826 has 8 divisors (see below), whose sum is σ = 413664. Its totient is φ = 68940.

The previous prime is 206821. The next prime is 206827. The reversal of 206826 is 628602.

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

206826 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 206796 and 206805.

It is not an unprimeable number, because it can be changed into a prime (206821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17230 + ... + 17241.

It is an arithmetic number, because the mean of its divisors is an integer number (51708).

2²⁰⁶⁸²⁶ is an apocalyptic number.

206826 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

206826 is a wasteful number, since it uses less digits than its factorization.

206826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34476.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 206826 is about 454.7812661049. The cubic root of 206826 is about 59.1382375711.

The spelling of 206826 in words is "two hundred six thousand, eight hundred twenty-six".