199944108 has 108 divisors (see below), whose sum is σ = 633228960. Its totient is φ = 52726464.

The previous prime is 199944061. The next prime is 199944137. The reversal of 199944108 is 801449991.

199944108 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 18573 + ... + 27291.

Almost surely, 2^199944108 is an apocalyptic number.

199944108 is a gapful number since it is divisible by the number (18) 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 199944108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316614480).

199944108 is an abundant number, since it is smaller than the sum of its proper divisors (433284852).

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

199944108 is a wasteful number, since it uses less digits than its factorization.

199944108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8756 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 199944108 is about 14140.1594050421. The cubic root of 199944108 is about 584.7490661673.

The spelling of 199944108 in words is "one hundred ninety-nine million, nine hundred forty-four thousand, one hundred eight".