208940868 has 36 divisors (see below), whose sum is σ = 545196288. Its totient is φ = 67399920.

The previous prime is 208940867. The next prime is 208940873. The reversal of 208940868 is 868049802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (208940861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92496 + ... + 94727.

Almost surely, 2^208940868 is an apocalyptic number.

It is an amenable number.

208940868 is an abundant number, since it is smaller than the sum of its proper divisors (336255420).

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

208940868 is a wasteful number, since it uses less digits than its factorization.

208940868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187264 (or 187259 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 208940868 is about 14454.7870271409. The cubic root of 208940868 is about 593.3912411043.

The spelling of 208940868 in words is "two hundred eight million, nine hundred forty thousand, eight hundred sixty-eight".