34189681 has 4 divisors (see below), whose sum is σ = 34216164. Its totient is φ = 34163200.

The previous prime is 34189679. The next prime is 34189693. The reversal of 34189681 is 18698143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18698143 = 107 ⋅174749.

It can be written as a sum of positive squares in 2 ways, for example, as 10336225 + 23853456 = 3215^2 + 4884^2 .

It is a cyclic number.

It is not a de Polignac number, because 34189681 - 2¹ = 34189679 is a prime.

It is a super-2 number, since 2×34189681² = 2337868573763522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34189651) 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, 11200 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (8554041).

Almost surely, 2^34189681 is an apocalyptic number.

It is an amenable number.

34189681 is a deficient number, since it is larger than the sum of its proper divisors (26483).

34189681 is a wasteful number, since it uses less digits than its factorization.

34189681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26482.

The product of its digits is 41472, while the sum is 40.

The square root of 34189681 is about 5847.1942844410. The cubic root of 34189681 is about 324.5625071993.

The spelling of 34189681 in words is "thirty-four million, one hundred eighty-nine thousand, six hundred eighty-one".