34389191 has 2 divisors, whose sum is σ = 34389192. Its totient is φ = 34389190.

The previous prime is 34389167. The next prime is 34389197. The reversal of 34389191 is 19198343.

It is a happy number.

34389191 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 is a cyclic number.

It is not a de Polignac number, because 34389191 - 2⁶ = 34389127 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34389197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17194595 + 17194596.

It is an arithmetic number, because the mean of its divisors is an integer number (17194596).

Almost surely, 2^34389191 is an apocalyptic number.

34389191 is a deficient number, since it is larger than the sum of its proper divisors (1).

34389191 is an equidigital number, since it uses as much as digits as its factorization.

34389191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 34389191 is about 5864.2297874486. The cubic root of 34389191 is about 325.1925990558.

The spelling of 34389191 in words is "thirty-four million, three hundred eighty-nine thousand, one hundred ninety-one".