34309909 has 2 divisors, whose sum is σ = 34309910. Its totient is φ = 34309908.

The previous prime is 34309889. The next prime is 34309973. The reversal of 34309909 is 90990343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34187409 + 122500 = 5847^2 + 350^2 .

It is an emirp because it is prime and its reverse (90990343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34309909 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34309409) 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, 17154954 + 17154955.

It is an arithmetic number, because the mean of its divisors is an integer number (17154955).

Almost surely, 2^34309909 is an apocalyptic number.

It is an amenable number.

34309909 is a deficient number, since it is larger than the sum of its proper divisors (1).

34309909 is an equidigital number, since it uses as much as digits as its factorization.

34309909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 34309909 is about 5857.4660903841. The cubic root of 34309909 is about 324.9425034382.

The spelling of 34309909 in words is "thirty-four million, three hundred nine thousand, nine hundred nine".