6856339 has 8 divisors (see below), whose sum is σ = 7964768. Its totient is φ = 5780160.

The previous prime is 6856279. The next prime is 6856357. The reversal of 6856339 is 9336586.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6856339 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6856039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7602 + ... + 8455.

It is an arithmetic number, because the mean of its divisors is an integer number (995596).

Almost surely, 2^6856339 is an apocalyptic number.

6856339 is a deficient number, since it is larger than the sum of its proper divisors (1108429).

6856339 is a wasteful number, since it uses less digits than its factorization.

6856339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125.

The product of its digits is 116640, while the sum is 40.

The square root of 6856339 is about 2618.4611893248. The cubic root of 6856339 is about 189.9754261847.

The spelling of 6856339 in words is "six million, eight hundred fifty-six thousand, three hundred thirty-nine".