199361835 has 12 divisors (see below), whose sum is σ = 345560592. Its totient is φ = 106326288.

The previous prime is 199361831. The next prime is 199361843. The reversal of 199361835 is 538163991.

It is not a de Polignac number, because 199361835 - 2² = 199361831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4430263 = 199361835 / (1 + 9 + 9 + 3 + 6 + 1 + 8 + 3 + 5).

It is not an unprimeable number, because it can be changed into a prime (199361831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2215087 + ... + 2215176.

It is an arithmetic number, because the mean of its divisors is an integer number (28796716).

Almost surely, 2^199361835 is an apocalyptic number.

199361835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199361835 is a deficient number, since it is larger than the sum of its proper divisors (146198757).

199361835 is a wasteful number, since it uses less digits than its factorization.

199361835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430274 (or 4430271 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 199361835 is about 14119.5550567289. Note that the first 3 decimals coincide. The cubic root of 199361835 is about 584.1808829743.

The spelling of 199361835 in words is "one hundred ninety-nine million, three hundred sixty-one thousand, eight hundred thirty-five".