199100986 has 8 divisors (see below), whose sum is σ = 341316000. Its totient is φ = 85328988.

The previous prime is 199100953. The next prime is 199100989. The reversal of 199100986 is 689001991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (199100989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7110736 + ... + 7110763.

It is an arithmetic number, because the mean of its divisors is an integer number (42664500).

Almost surely, 2^199100986 is an apocalyptic number.

199100986 is a deficient number, since it is larger than the sum of its proper divisors (142215014).

199100986 is a wasteful number, since it uses less digits than its factorization.

199100986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14221508.

The product of its (nonzero) digits is 34992, while the sum is 43.

The square root of 199100986 is about 14110.3148795482. The cubic root of 199100986 is about 583.9259871332.

The spelling of 199100986 in words is "one hundred ninety-nine million, one hundred thousand, nine hundred eighty-six".