208688 has 10 divisors (see below), whose sum is σ = 404364. Its totient is φ = 104336.

The previous prime is 208687. The next prime is 208697. The reversal of 208688 is 886802.

208688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (208687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506 + ... + 6537.

2²⁰⁸⁶⁸⁸ is an apocalyptic number.

It is an amenable number.

208688 is a deficient number, since it is larger than the sum of its proper divisors (195676).

208688 is a wasteful number, since it uses less digits than its factorization.

208688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 208688 is about 456.8238172425. The cubic root of 208688 is about 59.3151763096.

The spelling of 208688 in words is "two hundred eight thousand, six hundred eighty-eight".