208967612 has 24 divisors (see below), whose sum is σ = 418867680. Its totient is φ = 89357760.

The previous prime is 208967609. The next prime is 208967651. The reversal of 208967612 is 216769802.

It is a self number, because there is not a number n which added to its sum of digits gives 208967612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4814 + ... + 21002.

It is an arithmetic number, because the mean of its divisors is an integer number (17452820).

Almost surely, 2^208967612 is an apocalyptic number.

It is an amenable number.

208967612 is an abundant number, since it is smaller than the sum of its proper divisors (209900068).

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

208967612 is a wasteful number, since it uses less digits than its factorization.

208967612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16661 (or 16659 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 208967612 is about 14455.7120889979. The cubic root of 208967612 is about 593.4165576424.

The spelling of 208967612 in words is "two hundred eight million, nine hundred sixty-seven thousand, six hundred twelve".