34389643 has 4 divisors (see below), whose sum is σ = 34860808. Its totient is φ = 33918480.

The previous prime is 34389599. The next prime is 34389653. The reversal of 34389643 is 34698343.

34389643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34698343 = 17 ⋅2041079.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34389643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34389596 and 34389605.

It is not an unprimeable number, because it can be changed into a prime (34389653) 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 3 ways as a sum of consecutive naturals, for example, 235473 + ... + 235618.

It is an arithmetic number, because the mean of its divisors is an integer number (8715202).

Almost surely, 2^34389643 is an apocalyptic number.

34389643 is a deficient number, since it is larger than the sum of its proper divisors (471165).

34389643 is an equidigital number, since it uses as much as digits as its factorization.

34389643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471164.

The product of its digits is 186624, while the sum is 40.

The square root of 34389643 is about 5864.2683260574. The cubic root of 34389643 is about 325.1940237904.

The spelling of 34389643 in words is "thirty-four million, three hundred eighty-nine thousand, six hundred forty-three".