199697035 has 4 divisors (see below), whose sum is σ = 239636448. Its totient is φ = 159757624.

The previous prime is 199697027. The next prime is 199697039. The reversal of 199697035 is 530796991.

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 199697035 - 2³ = 199697027 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199697035.

It is not an unprimeable number, because it can be changed into a prime (199697039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19969699 + ... + 19969708.

It is an arithmetic number, because the mean of its divisors is an integer number (59909112).

Almost surely, 2^199697035 is an apocalyptic number.

199697035 is a deficient number, since it is larger than the sum of its proper divisors (39939413).

199697035 is an equidigital number, since it uses as much as digits as its factorization.

199697035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39939412.

The product of its (nonzero) digits is 459270, while the sum is 49.

The square root of 199697035 is about 14131.4201338719. The cubic root of 199697035 is about 584.5081067339.

The spelling of 199697035 in words is "one hundred ninety-nine million, six hundred ninety-seven thousand, thirty-five".