199034393 has 2 divisors, whose sum is σ = 199034394. Its totient is φ = 199034392.

The previous prime is 199034389. The next prime is 199034431. The reversal of 199034393 is 393430991.

199034393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 173501584 + 25532809 = 13172^2 + 5053^2 .

It is a cyclic number.

It is not a de Polignac number, because 199034393 - 2² = 199034389 is a prime.

It is a super-2 number, since 2×199034393² = 79229379193756898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199034393.

It is not a weakly prime, because it can be changed into another prime (199034383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99517196 + 99517197.

It is an arithmetic number, because the mean of its divisors is an integer number (99517197).

Almost surely, 2^199034393 is an apocalyptic number.

It is an amenable number.

199034393 is a deficient number, since it is larger than the sum of its proper divisors (1).

199034393 is an equidigital number, since it uses as much as digits as its factorization.

199034393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 41.

The square root of 199034393 is about 14107.9549545638. The cubic root of 199034393 is about 583.8608782653.

The spelling of 199034393 in words is "one hundred ninety-nine million, thirty-four thousand, three hundred ninety-three".