34238839 has 2 divisors, whose sum is σ = 34238840. Its totient is φ = 34238838.

The previous prime is 34238807. The next prime is 34238843. The reversal of 34238839 is 93883243.

34238839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (93883243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34238839 - 2⁵ = 34238807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34238339) 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, 17119419 + 17119420.

It is an arithmetic number, because the mean of its divisors is an integer number (17119420).

Almost surely, 2^34238839 is an apocalyptic number.

34238839 is a deficient number, since it is larger than the sum of its proper divisors (1).

34238839 is an equidigital number, since it uses as much as digits as its factorization.

34238839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 34238839 is about 5851.3963290825. The cubic root of 34238839 is about 324.7179849412.

The spelling of 34238839 in words is "thirty-four million, two hundred thirty-eight thousand, eight hundred thirty-nine".