199345900 has 36 divisors (see below), whose sum is σ = 465859072. Its totient is φ = 73604160.

The previous prime is 199345889. The next prime is 199345907. The reversal of 199345900 is 9543991.

It is not an unprimeable number, because it can be changed into a prime (199345907) 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, 75372 + ... + 77971.

Almost surely, 2^199345900 is an apocalyptic number.

199345900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199345900 is an abundant number, since it is smaller than the sum of its proper divisors (266513172).

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

199345900 is a wasteful number, since it uses less digits than its factorization.

199345900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153370 (or 153363 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 199345900 is about 14118.9907571327. The cubic root of 199345900 is about 584.1653180252.

The spelling of 199345900 in words is "one hundred ninety-nine million, three hundred forty-five thousand, nine hundred".