308208 has 20 divisors (see below), whose sum is σ = 796328. Its totient is φ = 102720.

The previous prime is 308153. The next prime is 308213. The reversal of 308208 is 802803.

308208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

308208 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3163 + ... + 3258.

2³⁰⁸²⁰⁸ is an apocalyptic number.

It is an amenable number.

308208 is an abundant number, since it is smaller than the sum of its proper divisors (488120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308208 is a wasteful number, since it uses less digits than its factorization.

308208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6432 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 308208 is about 555.1648403853. The cubic root of 308208 is about 67.5483330100.

The spelling of 308208 in words is "three hundred eight thousand, two hundred eight".