6839956 has 6 divisors (see below), whose sum is σ = 11969930. Its totient is φ = 3419976.

The previous prime is 6839939. The next prime is 6839971. The reversal of 6839956 is 6599386.

It can be written as a sum of positive squares in only one way, i.e., 5447556 + 1392400 = 2334^2 + 1180^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 854991 + ... + 854998.

Almost surely, 2^6839956 is an apocalyptic number.

It is an amenable number.

6839956 is a deficient number, since it is larger than the sum of its proper divisors (5129974).

6839956 is a wasteful number, since it uses less digits than its factorization.

6839956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709993 (or 1709991 counting only the distinct ones).

The product of its digits is 349920, while the sum is 46.

The square root of 6839956 is about 2615.3309542006. The cubic root of 6839956 is about 189.8239921288.

The spelling of 6839956 in words is "six million, eight hundred thirty-nine thousand, nine hundred fifty-six".