42839683 has 4 divisors (see below), whose sum is σ = 42855280. Its totient is φ = 42824088.

The previous prime is 42839669. The next prime is 42839689. The reversal of 42839683 is 38693824.

42839683 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-42839683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42839689) 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, 2460 + ... + 9577.

It is an arithmetic number, because the mean of its divisors is an integer number (10713820).

Almost surely, 2^42839683 is an apocalyptic number.

42839683 is a deficient number, since it is larger than the sum of its proper divisors (15597).

42839683 is a wasteful number, since it uses less digits than its factorization.

42839683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596.

The product of its digits is 248832, while the sum is 43.

The square root of 42839683 is about 6545.2030526180. The cubic root of 42839683 is about 349.9038729210.

The spelling of 42839683 in words is "forty-two million, eight hundred thirty-nine thousand, six hundred eighty-three".