6884839 has 4 divisors (see below), whose sum is σ = 7414456. Its totient is φ = 6355224.

The previous prime is 6884833. The next prime is 6884863. The reversal of 6884839 is 9384886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6884839 - 2³ = 6884831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6884831) 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, 264789 + ... + 264814.

It is an arithmetic number, because the mean of its divisors is an integer number (1853614).

Almost surely, 2^6884839 is an apocalyptic number.

6884839 is a deficient number, since it is larger than the sum of its proper divisors (529617).

6884839 is a wasteful number, since it uses less digits than its factorization.

6884839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529616.

The product of its digits is 331776, while the sum is 46.

The square root of 6884839 is about 2623.8976733097. The cubic root of 6884839 is about 190.2382882837.

The spelling of 6884839 in words is "six million, eight hundred eighty-four thousand, eight hundred thirty-nine".