34389547 has 2 divisors, whose sum is σ = 34389548. Its totient is φ = 34389546.

The previous prime is 34389517. The next prime is 34389557. The reversal of 34389547 is 74598343.

34389547 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 a cyclic number.

It is not a de Polignac number, because 34389547 - 2¹⁹ = 33865259 is a prime.

It is not a weakly prime, because it can be changed into another prime (34389517) 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, 17194773 + 17194774.

It is an arithmetic number, because the mean of its divisors is an integer number (17194774).

Almost surely, 2^34389547 is an apocalyptic number.

34389547 is a deficient number, since it is larger than the sum of its proper divisors (1).

34389547 is an equidigital number, since it uses as much as digits as its factorization.

34389547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 34389547 is about 5864.2601408873. The cubic root of 34389547 is about 325.1937211930.

The spelling of 34389547 in words is "thirty-four million, three hundred eighty-nine thousand, five hundred forty-seven".