208115968 has 36 divisors (see below), whose sum is σ = 437293360. Its totient is φ = 98578944.

The previous prime is 208115939. The next prime is 208115993. The reversal of 208115968 is 869511802.

It is a super-2 number, since 2×208115968² = 86624512273154048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 208115968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16530 + ... + 26257.

Almost surely, 2^208115968 is an apocalyptic number.

It is an amenable number.

208115968 is an abundant number, since it is smaller than the sum of its proper divisors (229177392).

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

208115968 is an equidigital number, since it uses as much as digits as its factorization.

208115968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42822 (or 42808 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 208115968 is about 14426.2250086431. The cubic root of 208115968 is about 592.6093069236.

The spelling of 208115968 in words is "two hundred eight million, one hundred fifteen thousand, nine hundred sixty-eight".