34234891 has 4 divisors (see below), whose sum is σ = 34296912. Its totient is φ = 34172872.

The previous prime is 34234843. The next prime is 34234897. The reversal of 34234891 is 19843243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19843243 = 7 ⋅2834749.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34234891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34234897) 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, 30175 + ... + 31288.

It is an arithmetic number, because the mean of its divisors is an integer number (8574228).

Almost surely, 2^34234891 is an apocalyptic number.

34234891 is a deficient number, since it is larger than the sum of its proper divisors (62021).

34234891 is an equidigital number, since it uses as much as digits as its factorization.

34234891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62020.

The product of its digits is 20736, while the sum is 34.

The square root of 34234891 is about 5851.0589639825. The cubic root of 34234891 is about 324.7055036391.

The spelling of 34234891 in words is "thirty-four million, two hundred thirty-four thousand, eight hundred ninety-one".