34191789 has 8 divisors (see below), whose sum is σ = 45638112. Its totient is φ = 22770000.

The previous prime is 34191749. The next prime is 34191797. The reversal of 34191789 is 98719143.

It is a happy number.

34191789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34191789 - 2⁸ = 34191533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34191789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34191719) 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 7 ways as a sum of consecutive naturals, for example, 2587 + ... + 8664.

It is an arithmetic number, because the mean of its divisors is an integer number (5704764).

Almost surely, 2^34191789 is an apocalyptic number.

It is an amenable number.

34191789 is a deficient number, since it is larger than the sum of its proper divisors (11446323).

34191789 is a wasteful number, since it uses less digits than its factorization.

34191789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12267.

The product of its digits is 54432, while the sum is 42.

The square root of 34191789 is about 5847.3745390560. The cubic root of 34191789 is about 324.5691774741.

It can be divided in two parts, 34191 and 789, that added together give a triangular number (34980 = T₂₆₄).

The spelling of 34191789 in words is "thirty-four million, one hundred ninety-one thousand, seven hundred eighty-nine".