6856379 has 4 divisors (see below), whose sum is σ = 6950376. Its totient is φ = 6762384.

The previous prime is 6856357. The next prime is 6856387. The reversal of 6856379 is 9736586.

6856379 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9736586 = 2 ⋅4868293.

It is a cyclic number.

It is not a de Polignac number, because 6856379 - 2⁸ = 6856123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6856079) 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, 46889 + ... + 47034.

It is an arithmetic number, because the mean of its divisors is an integer number (1737594).

Almost surely, 2^6856379 is an apocalyptic number.

6856379 is a deficient number, since it is larger than the sum of its proper divisors (93997).

6856379 is an equidigital number, since it uses as much as digits as its factorization.

6856379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93996.

The product of its digits is 272160, while the sum is 44.

The square root of 6856379 is about 2618.4688273875. The cubic root of 6856379 is about 189.9757956240.

The spelling of 6856379 in words is "six million, eight hundred fifty-six thousand, three hundred seventy-nine".