34688191 has 2 divisors, whose sum is σ = 34688192. Its totient is φ = 34688190.

The previous prime is 34688179. The next prime is 34688197. The reversal of 34688191 is 19188643.

34688191 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 34688191 - 2¹¹ = 34686143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34688197) 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, 17344095 + 17344096.

It is an arithmetic number, because the mean of its divisors is an integer number (17344096).

Almost surely, 2^34688191 is an apocalyptic number.

34688191 is a deficient number, since it is larger than the sum of its proper divisors (1).

34688191 is an equidigital number, since it uses as much as digits as its factorization.

34688191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 34688191 is about 5889.6681570357. The cubic root of 34688191 is about 326.1323530735.

The spelling of 34688191 in words is "thirty-four million, six hundred eighty-eight thousand, one hundred ninety-one".