34099391 has 2 divisors, whose sum is σ = 34099392. Its totient is φ = 34099390.

The previous prime is 34099381. The next prime is 34099423. The reversal of 34099391 is 19399043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34099391 - 2²² = 29905087 is a 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 (34099361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17049695 + 17049696.

It is an arithmetic number, because the mean of its divisors is an integer number (17049696).

Almost surely, 2^34099391 is an apocalyptic number.

34099391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34099391 is an equidigital number, since it uses as much as digits as its factorization.

34099391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 34099391 is about 5839.4683833376. The cubic root of 34099391 is about 324.2765477873.

The spelling of 34099391 in words is "thirty-four million, ninety-nine thousand, three hundred ninety-one".