206769 has 8 divisors (see below), whose sum is σ = 278080. Its totient is φ = 136656.

The previous prime is 206749. The next prime is 206779. The reversal of 206769 is 967602.

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

It is not a de Polignac number, because 206769 - 2⁷ = 206641 is a prime.

It is a super-2 number, since 2×206769² = 85506838722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252 + ... + 690.

It is an arithmetic number, because the mean of its divisors is an integer number (34760).

2²⁰⁶⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

206769 is a deficient number, since it is larger than the sum of its proper divisors (71311).

206769 is a wasteful number, since it uses less digits than its factorization.

206769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 206769 is about 454.7185942976. The cubic root of 206769 is about 59.1328043579.

The spelling of 206769 in words is "two hundred six thousand, seven hundred sixty-nine".