208312 has 16 divisors (see below), whose sum is σ = 420840. Its totient is φ = 96096.

The previous prime is 208309. The next prime is 208319. The reversal of 208312 is 213802.

It is a happy number.

208312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

208312 is a modest number, since divided by 312 gives 208 as remainder.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 898 + ... + 1105.

2²⁰⁸³¹² is an apocalyptic number.

It is an amenable number.

208312 is an abundant number, since it is smaller than the sum of its proper divisors (212528).

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

208312 is a wasteful number, since it uses less digits than its factorization.

208312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 208312 is about 456.4120944936. The cubic root of 208312 is about 59.2795315287.

The spelling of 208312 in words is "two hundred eight thousand, three hundred twelve".