208290112 has 28 divisors (see below), whose sum is σ = 420109396. Its totient is φ = 102435840.

The previous prime is 208290109. The next prime is 208290113. The reversal of 208290112 is 211092802.

It can be written as a sum of positive squares in 2 ways, for example, as 89567296 + 118722816 = 9464^2 + 10896^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208290113) 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, 22773 + ... + 30580.

It is an arithmetic number, because the mean of its divisors is an integer number (15003907).

Almost surely, 2^208290112 is an apocalyptic number.

It is an amenable number.

208290112 is an abundant number, since it is smaller than the sum of its proper divisors (211819284).

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

208290112 is an equidigital number, since it uses as much as digits as its factorization.

208290112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53426 (or 53416 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 208290112 is about 14432.2594211717. The cubic root of 208290112 is about 592.7745522674.

The spelling of 208290112 in words is "two hundred eight million, two hundred ninety thousand, one hundred twelve".