199380835 has 4 divisors (see below), whose sum is σ = 239257008. Its totient is φ = 159504664.

The previous prime is 199380823. The next prime is 199380869. The reversal of 199380835 is 538083991.

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 199380835 - 2⁷ = 199380707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19938079 + ... + 19938088.

It is an arithmetic number, because the mean of its divisors is an integer number (59814252).

Almost surely, 2^199380835 is an apocalyptic number.

199380835 is a deficient number, since it is larger than the sum of its proper divisors (39876173).

199380835 is an equidigital number, since it uses as much as digits as its factorization.

199380835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39876172.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 199380835 is about 14120.2278664333. The cubic root of 199380835 is about 584.1994406622.

It can be divided in two parts, 1993 and 80835, that added together give a palindrome (82828).

The spelling of 199380835 in words is "one hundred ninety-nine million, three hundred eighty thousand, eight hundred thirty-five".