208996368 has 120 divisors (see below), whose sum is σ = 665127072. Its totient is φ = 56189952.

The previous prime is 208996343. The next prime is 208996421. The reversal of 208996368 is 863699802.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 208996368.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37371 + ... + 42597.

Almost surely, 2^208996368 is an apocalyptic number.

208996368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208996368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332563536).

208996368 is an abundant number, since it is smaller than the sum of its proper divisors (456130704).

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

208996368 is a wasteful number, since it uses less digits than its factorization.

208996368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269 (or 5256 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 208996368 is about 14456.7066789086. The cubic root of 208996368 is about 593.4437763801.

The spelling of 208996368 in words is "two hundred eight million, nine hundred ninety-six thousand, three hundred sixty-eight".