34409839 has 2 divisors, whose sum is σ = 34409840. Its totient is φ = 34409838.

The previous prime is 34409833. The next prime is 34409857. The reversal of 34409839 is 93890443.

34409839 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 is a cyclic number.

It is not a de Polignac number, because 34409839 - 2³ = 34409831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34409831) 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, 17204919 + 17204920.

It is an arithmetic number, because the mean of its divisors is an integer number (17204920).

Almost surely, 2^34409839 is an apocalyptic number.

34409839 is a deficient number, since it is larger than the sum of its proper divisors (1).

34409839 is an equidigital number, since it uses as much as digits as its factorization.

34409839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 34409839 is about 5865.9900272673. The cubic root of 34409839 is about 325.2576702132.

The spelling of 34409839 in words is "thirty-four million, four hundred nine thousand, eight hundred thirty-nine".