34309869 has 16 divisors (see below), whose sum is σ = 50276160. Its totient is φ = 20639360.

The previous prime is 34309867. The next prime is 34309889. The reversal of 34309869 is 96890343.

34309869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34309869 - 2¹ = 34309867 is a prime.

It is a super-2 number, since 2×34309869² = 2354334221594322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34309869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34309867) 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 in 15 ways as a sum of consecutive naturals, for example, 727 + ... + 8315.

It is an arithmetic number, because the mean of its divisors is an integer number (3142260).

Almost surely, 2^34309869 is an apocalyptic number.

It is an amenable number.

34309869 is a deficient number, since it is larger than the sum of its proper divisors (15966291).

34309869 is a wasteful number, since it uses less digits than its factorization.

34309869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740.

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 34309869 is about 5857.4626759374. The cubic root of 34309869 is about 324.9423771607.

It can be divided in two parts, 34 and 309869, that added together give a palindrome (309903).

The spelling of 34309869 in words is "thirty-four million, three hundred nine thousand, eight hundred sixty-nine".