208880864 has 48 divisors (see below), whose sum is σ = 422120160. Its totient is φ = 101713920.

The previous prime is 208880857. The next prime is 208880891. The reversal of 208880864 is 468088802.

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, 201692 + ... + 202724.

It is an arithmetic number, because the mean of its divisors is an integer number (8794170).

Almost surely, 2^208880864 is an apocalyptic number.

It is an amenable number.

208880864 is an abundant number, since it is smaller than the sum of its proper divisors (213239296).

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

208880864 is a wasteful number, since it uses less digits than its factorization.

208880864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 208880864 is about 14452.7113027279. The cubic root of 208880864 is about 593.3344319580.

The spelling of 208880864 in words is "two hundred eight million, eight hundred eighty thousand, eight hundred sixty-four".