208856 has 8 divisors (see below), whose sum is σ = 391620. Its totient is φ = 104424.

The previous prime is 208843. The next prime is 208877. The reversal of 208856 is 658802.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

208856 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 13046 + ... + 13061.

2²⁰⁸⁸⁵⁶ is an apocalyptic number.

It is an amenable number.

208856 is a deficient number, since it is larger than the sum of its proper divisors (182764).

208856 is a wasteful number, since it uses less digits than its factorization.

208856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113 (or 26109 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 208856 is about 457.0076585792. The cubic root of 208856 is about 59.3310888629.

The spelling of 208856 in words is "two hundred eight thousand, eight hundred fifty-six".