199328365 has 4 divisors (see below), whose sum is σ = 239194044. Its totient is φ = 159462688.

The previous prime is 199328341. The next prime is 199328377. The reversal of 199328365 is 563823991.

It is a happy number.

199328365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60512841 + 138815524 = 7779^2 + 11782^2 .

It is a cyclic number.

It is not a de Polignac number, because 199328365 - 2⁷ = 199328237 is a prime.

It is a Duffinian number.

It is a congruent 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, 19932832 + ... + 19932841.

It is an arithmetic number, because the mean of its divisors is an integer number (59798511).

Almost surely, 2^199328365 is an apocalyptic number.

It is an amenable number.

199328365 is a deficient number, since it is larger than the sum of its proper divisors (39865679).

199328365 is an equidigital number, since it uses as much as digits as its factorization.

199328365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39865678.

The product of its digits is 349920, while the sum is 46.

The square root of 199328365 is about 14118.3697713298. The cubic root of 199328365 is about 584.1481892736.

The spelling of 199328365 in words is "one hundred ninety-nine million, three hundred twenty-eight thousand, three hundred sixty-five".