208966 has 8 divisors (see below), whose sum is σ = 315864. Its totient is φ = 103680.

The previous prime is 208963. The next prime is 208991. The reversal of 208966 is 669802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208961) 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 3 ways as a sum of consecutive naturals, for example, 6 + ... + 646.

It is an arithmetic number, because the mean of its divisors is an integer number (39483).

2²⁰⁸⁹⁶⁶ is an apocalyptic number.

208966 is a deficient number, since it is larger than the sum of its proper divisors (106898).

208966 is a wasteful number, since it uses less digits than its factorization.

208966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 208966 is about 457.1279908297. The cubic root of 208966 is about 59.3415031744.

It can be divided in two parts, 20896 and 6, that added together give a palindrome (20902).

The spelling of 208966 in words is "two hundred eight thousand, nine hundred sixty-six".