34639069 has 4 divisors (see below), whose sum is σ = 34652800. Its totient is φ = 34625340.

The previous prime is 34639063. The next prime is 34639097. The reversal of 34639069 is 96093643.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96093643 = 1997 ⋅48119.

It is a cyclic number.

It is not a de Polignac number, because 34639069 - 2¹¹ = 34637021 is a prime.

It is a super-2 number, since 2×34639069² = 2399730202373522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34639063) 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 in 3 ways as a sum of consecutive naturals, for example, 1869 + ... + 8530.

It is an arithmetic number, because the mean of its divisors is an integer number (8663200).

Almost surely, 2^34639069 is an apocalyptic number.

It is an amenable number.

34639069 is a deficient number, since it is larger than the sum of its proper divisors (13731).

34639069 is a wasteful number, since it uses less digits than its factorization.

34639069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 34639069 is about 5885.4964956238. The cubic root of 34639069 is about 325.9783348419.

The spelling of 34639069 in words is "thirty-four million, six hundred thirty-nine thousand, sixty-nine".