208969156 has 12 divisors (see below), whose sum is σ = 398941200. Its totient is φ = 94985960.

The previous prime is 208969139. The next prime is 208969177. The reversal of 208969156 is 651969802.

208969156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374606 + ... + 2374693.

It is an arithmetic number, because the mean of its divisors is an integer number (33245100).

Almost surely, 2^208969156 is an apocalyptic number.

It is an amenable number.

208969156 is a deficient number, since it is larger than the sum of its proper divisors (189972044).

208969156 is a wasteful number, since it uses less digits than its factorization.

208969156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749314 (or 4749312 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 208969156 is about 14455.7654933940. The cubic root of 208969156 is about 593.4180191654.

The spelling of 208969156 in words is "two hundred eight million, nine hundred sixty-nine thousand, one hundred fifty-six".