34449209 has 2 divisors, whose sum is σ = 34449210. Its totient is φ = 34449208.

The previous prime is 34449199. The next prime is 34449227. The reversal of 34449209 is 90294443.

34449209 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 can be written as a sum of positive squares in only one way, i.e., 33674809 + 774400 = 5803^2 + 880^2 .

It is an emirp because it is prime and its reverse (90294443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34449209 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (34449229) 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, 17224604 + 17224605.

It is an arithmetic number, because the mean of its divisors is an integer number (17224605).

Almost surely, 2^34449209 is an apocalyptic number.

It is an amenable number.

34449209 is a deficient number, since it is larger than the sum of its proper divisors (1).

34449209 is an equidigital number, since it uses as much as digits as its factorization.

34449209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 34449209 is about 5869.3448527072. The cubic root of 34449209 is about 325.3816707335.

The spelling of 34449209 in words is "thirty-four million, four hundred forty-nine thousand, two hundred nine".