6856963 has 16 divisors (see below), whose sum is σ = 7459200. Its totient is φ = 6289920.

The previous prime is 6856937. The next prime is 6856973. The reversal of 6856963 is 3696586.

It is a cyclic number.

It is not a de Polignac number, because 6856963 - 2⁵ = 6856931 is a prime.

It is a Duffinian number.

6856963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6856973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86758 + ... + 86836.

It is an arithmetic number, because the mean of its divisors is an integer number (466200).

Almost surely, 2^6856963 is an apocalyptic number.

6856963 is a deficient number, since it is larger than the sum of its proper divisors (602237).

6856963 is a wasteful number, since it uses less digits than its factorization.

6856963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its digits is 233280, while the sum is 43.

The square root of 6856963 is about 2618.5803405662. The cubic root of 6856963 is about 189.9811892735.

The spelling of 6856963 in words is "six million, eight hundred fifty-six thousand, nine hundred sixty-three".