34181689 has 4 divisors (see below), whose sum is σ = 34976656. Its totient is φ = 33386724.

The previous prime is 34181681. The next prime is 34181701. The reversal of 34181689 is 98618143.

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: 98618143 = 13 ⋅7586011.

It is a cyclic number.

It is not a de Polignac number, because 34181689 - 2³ = 34181681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34181681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397419 + ... + 397504.

It is an arithmetic number, because the mean of its divisors is an integer number (8744164).

Almost surely, 2^34181689 is an apocalyptic number.

It is an amenable number.

34181689 is a deficient number, since it is larger than the sum of its proper divisors (794967).

34181689 is an equidigital number, since it uses as much as digits as its factorization.

34181689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794966.

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

The square root of 34181689 is about 5846.5108398086. The cubic root of 34181689 is about 324.5372158870.

The spelling of 34181689 in words is "thirty-four million, one hundred eighty-one thousand, six hundred eighty-nine".