34369891 has 2 divisors, whose sum is σ = 34369892. Its totient is φ = 34369890.

The previous prime is 34369871. The next prime is 34369897. The reversal of 34369891 is 19896343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34369891 - 2⁵ = 34369859 is a prime.

It is not a weakly prime, because it can be changed into another prime (34369897) 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, 17184945 + 17184946.

It is an arithmetic number, because the mean of its divisors is an integer number (17184946).

Almost surely, 2^34369891 is an apocalyptic number.

34369891 is a deficient number, since it is larger than the sum of its proper divisors (1).

34369891 is an equidigital number, since it uses as much as digits as its factorization.

34369891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 43.

The square root of 34369891 is about 5862.5839866052. The cubic root of 34369891 is about 325.1317524985.

The spelling of 34369891 in words is "thirty-four million, three hundred sixty-nine thousand, eight hundred ninety-one".