199794327 has 4 divisors (see below), whose sum is σ = 266392440. Its totient is φ = 133196216.

The previous prime is 199794323. The next prime is 199794341. The reversal of 199794327 is 723497991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 199794327 - 2² = 199794323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 199794327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199794323) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33299052 + ... + 33299057.

It is an arithmetic number, because the mean of its divisors is an integer number (66598110).

Almost surely, 2^199794327 is an apocalyptic number.

199794327 is a deficient number, since it is larger than the sum of its proper divisors (66598113).

199794327 is an equidigital number, since it uses as much as digits as its factorization.

199794327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66598112.

The product of its digits is 857304, while the sum is 51.

The square root of 199794327 is about 14134.8621146441. The cubic root of 199794327 is about 584.6030150532.

The spelling of 199794327 in words is "one hundred ninety-nine million, seven hundred ninety-four thousand, three hundred twenty-seven".