199842095 has 8 divisors (see below), whose sum is σ = 252432240. Its totient is φ = 151459200.

The previous prime is 199842079. The next prime is 199842163. The reversal of 199842095 is 590248991.

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

It is not a de Polignac number, because 199842095 - 2⁴ = 199842079 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051706 + ... + 1051895.

It is an arithmetic number, because the mean of its divisors is an integer number (31554030).

Almost surely, 2^199842095 is an apocalyptic number.

199842095 is a deficient number, since it is larger than the sum of its proper divisors (52590145).

199842095 is a wasteful number, since it uses less digits than its factorization.

199842095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2103625.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 199842095 is about 14136.5517365445. The cubic root of 199842095 is about 584.6496014470.

The spelling of 199842095 in words is "one hundred ninety-nine million, eight hundred forty-two thousand, ninety-five".