34389443 has 4 divisors (see below), whose sum is σ = 37515768. Its totient is φ = 31263120.

The previous prime is 34389431. The next prime is 34389451. The reversal of 34389443 is 34498343.

34389443 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34389443 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34389397 and 34389406.

It is not an unprimeable number, because it can be changed into a prime (34389143) 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, 1563146 + ... + 1563167.

It is an arithmetic number, because the mean of its divisors is an integer number (9378942).

Almost surely, 2^34389443 is an apocalyptic number.

34389443 is a deficient number, since it is larger than the sum of its proper divisors (3126325).

34389443 is a wasteful number, since it uses less digits than its factorization.

34389443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126324.

The product of its digits is 124416, while the sum is 38.

The square root of 34389443 is about 5864.2512736069. The cubic root of 34389443 is about 325.1933933784.

Subtracting 34389443 from its reverse (34498343), we obtain a square (108900 = 330²).

The spelling of 34389443 in words is "thirty-four million, three hundred eighty-nine thousand, four hundred forty-three".