206776 has 8 divisors (see below), whose sum is σ = 387720. Its totient is φ = 103384.

The previous prime is 206749. The next prime is 206779. The reversal of 206776 is 677602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12916 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (48465).

2²⁰⁶⁷⁷⁶ is an apocalyptic number.

It is an amenable number.

206776 is a deficient number, since it is larger than the sum of its proper divisors (180944).

206776 is a wasteful number, since it uses less digits than its factorization.

206776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25853 (or 25849 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 206776 is about 454.7262913006. The cubic root of 206776 is about 59.1334716484.

The spelling of 206776 in words is "two hundred six thousand, seven hundred seventy-six".