208812 has 12 divisors (see below), whose sum is σ = 487256. Its totient is φ = 69600.

The previous prime is 208807. The next prime is 208837. The reversal of 208812 is 218802.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 208812.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 8689 + ... + 8712.

2²⁰⁸⁸¹² is an apocalyptic number.

It is an amenable number.

208812 is an abundant number, since it is smaller than the sum of its proper divisors (278444).

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

208812 is a wasteful number, since it uses less digits than its factorization.

208812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408 (or 17406 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 208812 is about 456.9595168065. The cubic root of 208812 is about 59.3269221144.

The spelling of 208812 in words is "two hundred eight thousand, eight hundred twelve".