199994086 has 8 divisors (see below), whose sum is σ = 317637720. Its totient is φ = 94114848.

The previous prime is 199994077. The next prime is 199994087. The reversal of 199994086 is 680499991.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199994087) 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, 2941056 + ... + 2941123.

It is an arithmetic number, because the mean of its divisors is an integer number (39704715).

Almost surely, 2^199994086 is an apocalyptic number.

199994086 is a deficient number, since it is larger than the sum of its proper divisors (117643634).

199994086 is a wasteful number, since it uses less digits than its factorization.

199994086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882198.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 199994086 is about 14141.9265307100. The cubic root of 199994086 is about 584.7977833721.

The spelling of 199994086 in words is "one hundred ninety-nine million, nine hundred ninety-four thousand, eighty-six".