206797 has 4 divisors (see below), whose sum is σ = 207936. Its totient is φ = 205660.

The previous prime is 206783. The next prime is 206803. The reversal of 206797 is 797602.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 206797 - 2¹¹ = 204749 is a prime.

It is a Duffinian number.

206797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206197) 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, 229 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (51984).

2²⁰⁶⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

206797 is a deficient number, since it is larger than the sum of its proper divisors (1139).

206797 is an equidigital number, since it uses as much as digits as its factorization.

206797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 206797 is about 454.7493815279. The cubic root of 206797 is about 59.1354734295.

The spelling of 206797 in words is "two hundred six thousand, seven hundred ninety-seven".