199998200 has 96 divisors (see below), whose sum is σ = 501195600. Its totient is φ = 73943040.

The previous prime is 199998193. The next prime is 199998221. The reversal of 199998200 is 2899991.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200102 + ... + 201098.

Almost surely, 2^199998200 is an apocalyptic number.

199998200 is a gapful number since it is divisible by the number (10) 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 199998200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250597800).

199998200 is an abundant number, since it is smaller than the sum of its proper divisors (301197400).

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

199998200 is a wasteful number, since it uses less digits than its factorization.

199998200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 47.

The square root of 199998200 is about 14142.0719839775. The cubic root of 199998200 is about 584.8017932267.

The spelling of 199998200 in words is "one hundred ninety-nine million, nine hundred ninety-eight thousand, two hundred".