199095893 has 8 divisors (see below), whose sum is σ = 202447128. Its totient is φ = 195761664.

The previous prime is 199095881. The next prime is 199095973. The reversal of 199095893 is 398590991.

It can be written as a sum of positive squares in 4 ways, for example, as 14760964 + 184334929 = 3842^2 + 13577^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 199095893 - 2⁶ = 199095829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199095293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20555 + ... + 28647.

It is an arithmetic number, because the mean of its divisors is an integer number (25305891).

Almost surely, 2^199095893 is an apocalyptic number.

It is an amenable number.

199095893 is a deficient number, since it is larger than the sum of its proper divisors (3351235).

199095893 is an equidigital number, since it uses as much as digits as its factorization.

199095893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 787320, while the sum is 53.

The square root of 199095893 is about 14110.1344075810. The cubic root of 199095893 is about 583.9210081517.

The spelling of 199095893 in words is "one hundred ninety-nine million, ninety-five thousand, eight hundred ninety-three".