34491889 has 2 divisors, whose sum is σ = 34491890. Its totient is φ = 34491888.

The previous prime is 34491887. The next prime is 34491893. The reversal of 34491889 is 98819443.

34491889 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., 26956864 + 7535025 = 5192^2 + 2745^2 .

It is a cyclic number.

It is not a de Polignac number, because 34491889 - 2¹ = 34491887 is a prime.

Together with 34491887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (34491883) 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, 17245944 + 17245945.

It is an arithmetic number, because the mean of its divisors is an integer number (17245945).

Almost surely, 2^34491889 is an apocalyptic number.

It is an amenable number.

34491889 is a deficient number, since it is larger than the sum of its proper divisors (1).

34491889 is an equidigital number, since it uses as much as digits as its factorization.

34491889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 34491889 is about 5872.9795674768. The cubic root of 34491889 is about 325.5159898170.

The spelling of 34491889 in words is "thirty-four million, four hundred ninety-one thousand, eight hundred eighty-nine".