206969 has 4 divisors (see below), whose sum is σ = 236544. Its totient is φ = 177396.

The previous prime is 206953. The next prime is 206993. The reversal of 206969 is 969602.

206969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 206969 - 2⁴ = 206953 is a prime.

It is a super-2 number, since 2×206969² = 85672333922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14777 + ... + 14790.

It is an arithmetic number, because the mean of its divisors is an integer number (59136).

2²⁰⁶⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

206969 is a deficient number, since it is larger than the sum of its proper divisors (29575).

206969 is an equidigital number, since it uses as much as digits as its factorization.

206969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29574.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 206969 is about 454.9384573764. The cubic root of 206969 is about 59.1518638716.

The spelling of 206969 in words is "two hundred six thousand, nine hundred sixty-nine".