206873 has 8 divisors (see below), whose sum is σ = 224928. Its totient is φ = 189504.

The previous prime is 206827. The next prime is 206879. The reversal of 206873 is 378602.

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

It is a cyclic number.

It is not a de Polignac number, because 206873 - 2¹² = 202777 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9 and base 14.

It is not an unprimeable number, because it can be changed into a prime (206879) 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 in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 872.

It is an arithmetic number, because the mean of its divisors is an integer number (28116).

2²⁰⁶⁸⁷³ is an apocalyptic number.

It is an amenable number.

206873 is a deficient number, since it is larger than the sum of its proper divisors (18055).

206873 is a wasteful number, since it uses less digits than its factorization.

206873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 206873 is about 454.8329363624. The cubic root of 206873 is about 59.1427168381.

The spelling of 206873 in words is "two hundred six thousand, eight hundred seventy-three".