34839047 has 2 divisors, whose sum is σ = 34839048. Its totient is φ = 34839046.

The previous prime is 34839019. The next prime is 34839109. The reversal of 34839047 is 74093843.

It is a weak prime.

It is an emirp because it is prime and its reverse (74093843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34839047 - 2¹⁴ = 34822663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34839047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34839247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17419523 + 17419524.

It is an arithmetic number, because the mean of its divisors is an integer number (17419524).

Almost surely, 2^34839047 is an apocalyptic number.

34839047 is a deficient number, since it is larger than the sum of its proper divisors (1).

34839047 is an equidigital number, since it uses as much as digits as its factorization.

34839047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 34839047 is about 5902.4610968646. The cubic root of 34839047 is about 326.6044433523.

The spelling of 34839047 in words is "thirty-four million, eight hundred thirty-nine thousand, forty-seven".