6838889 has 8 divisors (see below), whose sum is σ = 7163520. Its totient is φ = 6516576.

The previous prime is 6838883. The next prime is 6838919. The reversal of 6838889 is 9888386.

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

It is a cyclic number.

It is not a de Polignac number, because 6838889 - 2⁸ = 6838633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6838883) 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, 9044 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (895440).

Almost surely, 2^6838889 is an apocalyptic number.

It is an amenable number.

6838889 is a deficient number, since it is larger than the sum of its proper divisors (324631).

6838889 is a wasteful number, since it uses less digits than its factorization.

6838889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159.

The product of its digits is 663552, while the sum is 50.

The square root of 6838889 is about 2615.1269567652. The cubic root of 6838889 is about 189.8141210745.

The spelling of 6838889 in words is "six million, eight hundred thirty-eight thousand, eight hundred eighty-nine".