6983839 has 4 divisors (see below), whose sum is σ = 7004200. Its totient is φ = 6963480.

The previous prime is 6983807. The next prime is 6983843. The reversal of 6983839 is 9383896.

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 6983839 - 2⁵ = 6983807 is a prime.

It is a super-3 number, since 3×6983839³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

6983839 is a modest number, since divided by 3839 gives 698 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6963839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9657 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (1751050).

Almost surely, 2^6983839 is an apocalyptic number.

6983839 is a deficient number, since it is larger than the sum of its proper divisors (20361).

6983839 is a wasteful number, since it uses less digits than its factorization.

6983839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360.

The product of its digits is 279936, while the sum is 46.

The square root of 6983839 is about 2642.6954043173. The cubic root of 6983839 is about 191.1457911219.

The spelling of 6983839 in words is "six million, nine hundred eighty-three thousand, eight hundred thirty-nine".