6839889 has 8 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 3908496.

The previous prime is 6839879. The next prime is 6839891. The reversal of 6839889 is 9889386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6839889 - 2⁴ = 6839873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6839849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162834 + ... + 162875.

It is an arithmetic number, because the mean of its divisors is an integer number (1302840).

Almost surely, 2^6839889 is an apocalyptic number.

It is an amenable number.

6839889 is a deficient number, since it is larger than the sum of its proper divisors (3582831).

6839889 is a wasteful number, since it uses less digits than its factorization.

6839889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325719.

The product of its digits is 746496, while the sum is 51.

The square root of 6839889 is about 2615.3181450829. The cubic root of 6839889 is about 189.8233723271.

The spelling of 6839889 in words is "six million, eight hundred thirty-nine thousand, eight hundred eighty-nine".