199383841 has 2 divisors, whose sum is σ = 199383842. Its totient is φ = 199383840.

The previous prime is 199383799. The next prime is 199383851. The reversal of 199383841 is 148383991.

It is a happy number.

199383841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115111441 + 84272400 = 10729^2 + 9180^2 .

It is a cyclic number.

It is not a de Polignac number, because 199383841 - 2⁹ = 199383329 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 199383791 and 199383800.

It is not a weakly prime, because it can be changed into another prime (199383851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99691920 + 99691921.

It is an arithmetic number, because the mean of its divisors is an integer number (99691921).

Almost surely, 2^199383841 is an apocalyptic number.

It is an amenable number.

199383841 is a deficient number, since it is larger than the sum of its proper divisors (1).

199383841 is an equidigital number, since it uses as much as digits as its factorization.

199383841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 46.

The square root of 199383841 is about 14120.3343090736. The cubic root of 199383841 is about 584.2023765758.

The spelling of 199383841 in words is "one hundred ninety-nine million, three hundred eighty-three thousand, eight hundred forty-one".