6856384 has 28 divisors (see below), whose sum is σ = 13716000. Its totient is φ = 3400448.

The previous prime is 6856357. The next prime is 6856387. The reversal of 6856384 is 4836586.

6856384 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6856387) 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, 9177 + ... + 9895.

Almost surely, 2^6856384 is an apocalyptic number.

6856384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6856384 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

6856384 is a wasteful number, since it uses less digits than its factorization.

6856384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 870 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 6856384 is about 2618.4697821438. The cubic root of 6856384 is about 189.9758418038.

The spelling of 6856384 in words is "six million, eight hundred fifty-six thousand, three hundred eighty-four".