208280712 has 16 divisors (see below), whose sum is σ = 520701840. Its totient is φ = 69426896.

The previous prime is 208280687. The next prime is 208280741. The reversal of 208280712 is 217082802.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 208280712.

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, 4339158 + ... + 4339205.

It is an arithmetic number, because the mean of its divisors is an integer number (32543865).

Almost surely, 2^208280712 is an apocalyptic number.

It is an amenable number.

208280712 is an abundant number, since it is smaller than the sum of its proper divisors (312421128).

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

208280712 is a wasteful number, since it uses less digits than its factorization.

208280712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678372 (or 8678368 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 208280712 is about 14431.9337581628. The cubic root of 208280712 is about 592.7656349540.

The spelling of 208280712 in words is "two hundred eight million, two hundred eighty thousand, seven hundred twelve".