199985208 has 48 divisors (see below), whose sum is σ = 512558040. Its totient is φ = 65022720.

The previous prime is 199985197. The next prime is 199985209. The reversal of 199985208 is 802589991.

199985208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199985209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37866 + ... + 42822.

Almost surely, 2^199985208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199985208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256279020).

199985208 is an abundant number, since it is smaller than the sum of its proper divisors (312572832).

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

199985208 is a wasteful number, since it uses less digits than its factorization.

199985208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048 (or 5003 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 199985208 is about 14141.6126378854. The cubic root of 199985208 is about 584.7891299303.

The spelling of 199985208 in words is "one hundred ninety-nine million, nine hundred eighty-five thousand, two hundred eight".