34385443 has 2 divisors, whose sum is σ = 34385444. Its totient is φ = 34385442.

The previous prime is 34385401. The next prime is 34385447. The reversal of 34385443 is 34458343.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34385443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34385399 and 34385408.

It is not a weakly prime, because it can be changed into another prime (34385447) 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, 17192721 + 17192722.

It is an arithmetic number, because the mean of its divisors is an integer number (17192722).

Almost surely, 2^34385443 is an apocalyptic number.

34385443 is a deficient number, since it is larger than the sum of its proper divisors (1).

34385443 is an equidigital number, since it uses as much as digits as its factorization.

34385443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 34.

The square root of 34385443 is about 5863.9102141830. The cubic root of 34385443 is about 325.1807846251.

Subtracting 34385443 from its reverse (34458343), we obtain a square (72900 = 270²).

The spelling of 34385443 in words is "thirty-four million, three hundred eighty-five thousand, four hundred forty-three".