6706839 has 8 divisors (see below), whose sum is σ = 9150592. Its totient is φ = 4367160.

The previous prime is 6706811. The next prime is 6706841. The reversal of 6706839 is 9386076.

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

It is not a de Polignac number, because 6706839 - 2⁹ = 6706327 is a prime.

It is a d-powerful number, because it can be written as 6² + 7⁵ + 0 + 6⁷ + 8⁵ + 3¹³ + 9⁷ .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6706797 and 6706806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6706849) 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 7 ways as a sum of consecutive naturals, for example, 25867 + ... + 26124.

It is an arithmetic number, because the mean of its divisors is an integer number (1143824).

Almost surely, 2^6706839 is an apocalyptic number.

6706839 is a deficient number, since it is larger than the sum of its proper divisors (2443753).

6706839 is a wasteful number, since it uses less digits than its factorization.

6706839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52037.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 6706839 is about 2589.7565522651. The cubic root of 6706839 is about 188.5844851087.

The spelling of 6706839 in words is "six million, seven hundred six thousand, eight hundred thirty-nine".