208808868 has 24 divisors (see below), whose sum is σ = 490214368. Its totient is φ = 69175296.

The previous prime is 208808867. The next prime is 208808911. The reversal of 208808868 is 868808802.

It is a super-2 number, since 2×208808868² = 87202286710882848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208808861) 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 7 ways as a sum of consecutive naturals, for example, 51421 + ... + 55332.

Almost surely, 2^208808868 is an apocalyptic number.

It is an amenable number.

208808868 is an abundant number, since it is smaller than the sum of its proper divisors (281405500).

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

208808868 is a wasteful number, since it uses less digits than its factorization.

208808868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106923 (or 106921 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The square root of 208808868 is about 14450.2203443408. The cubic root of 208808868 is about 593.2662549538.

The spelling of 208808868 in words is "two hundred eight million, eight hundred eight thousand, eight hundred sixty-eight".