34839891 has 12 divisors (see below), whose sum is σ = 50375520. Its totient is φ = 23202960.

The previous prime is 34839881. The next prime is 34839911. The reversal of 34839891 is 19893843.

34839891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34839891 - 2⁹ = 34839379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34839881) 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 11 ways as a sum of consecutive naturals, for example, 15805 + ... + 17873.

It is an arithmetic number, because the mean of its divisors is an integer number (4197960).

Almost surely, 2^34839891 is an apocalyptic number.

34839891 is a deficient number, since it is larger than the sum of its proper divisors (15535629).

34839891 is a wasteful number, since it uses less digits than its factorization.

34839891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3943 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 34839891 is about 5902.5325920320. The cubic root of 34839891 is about 326.6070807372.

The spelling of 34839891 in words is "thirty-four million, eight hundred thirty-nine thousand, eight hundred ninety-one".