34489789 has 2 divisors, whose sum is σ = 34489790. Its totient is φ = 34489788.

The previous prime is 34489781. The next prime is 34489813. The reversal of 34489789 is 98798443.

34489789 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., 34222500 + 267289 = 5850^2 + 517^2 .

It is an emirp because it is prime and its reverse (98798443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34489789 - 2³ = 34489781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34489781) 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, 17244894 + 17244895.

It is an arithmetic number, because the mean of its divisors is an integer number (17244895).

Almost surely, 2^34489789 is an apocalyptic number.

It is an amenable number.

34489789 is a deficient number, since it is larger than the sum of its proper divisors (1).

34489789 is an equidigital number, since it uses as much as digits as its factorization.

34489789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 52.

The square root of 34489789 is about 5872.8007798665. The cubic root of 34489789 is about 325.5093834575.

The spelling of 34489789 in words is "thirty-four million, four hundred eighty-nine thousand, seven hundred eighty-nine".