199806112 has 24 divisors (see below), whose sum is σ = 429129792. Its totient is φ = 90820800.

The previous prime is 199806059. The next prime is 199806163. The reversal of 199806112 is 211608991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283464 + ... + 284167.

It is an arithmetic number, because the mean of its divisors is an integer number (17880408).

Almost surely, 2^199806112 is an apocalyptic number.

It is an amenable number.

199806112 is an abundant number, since it is smaller than the sum of its proper divisors (229323680).

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

199806112 is a wasteful number, since it uses less digits than its factorization.

199806112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567652 (or 567644 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 199806112 is about 14135.2789855736. The cubic root of 199806112 is about 584.6145092252.

The spelling of 199806112 in words is "one hundred ninety-nine million, eight hundred six thousand, one hundred twelve".