208386856 has 16 divisors (see below), whose sum is σ = 390902400. Its totient is φ = 104146224.

The previous prime is 208386839. The next prime is 208386859. The reversal of 208386856 is 658683802.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (208386859) 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, 19081 + ... + 27943.

It is an arithmetic number, because the mean of its divisors is an integer number (24431400).

Almost surely, 2^208386856 is an apocalyptic number.

It is an amenable number.

208386856 is a deficient number, since it is larger than the sum of its proper divisors (182515544).

208386856 is a wasteful number, since it uses less digits than its factorization.

208386856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11808 (or 11804 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 208386856 is about 14435.6106902341. The cubic root of 208386856 is about 592.8663129121.

The spelling of 208386856 in words is "two hundred eight million, three hundred eighty-six thousand, eight hundred fifty-six".