6786841 has 4 divisors (see below), whose sum is σ = 7020900. Its totient is φ = 6552784.

The previous prime is 6786839. The next prime is 6786869. The reversal of 6786841 is 1486876.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2073600 + 4713241 = 1440^2 + 2171^2 .

It is a cyclic number.

It is not a de Polignac number, because 6786841 - 2¹ = 6786839 is a prime.

It is a super-2 number, since 2×6786841² = 92122421518562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6786794 and 6786803.

It is not an unprimeable number, because it can be changed into a prime (6786821) 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 3 ways as a sum of consecutive naturals, for example, 116986 + ... + 117043.

It is an arithmetic number, because the mean of its divisors is an integer number (1755225).

Almost surely, 2^6786841 is an apocalyptic number.

It is an amenable number.

6786841 is a deficient number, since it is larger than the sum of its proper divisors (234059).

6786841 is a wasteful number, since it uses less digits than its factorization.

6786841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234058.

The product of its digits is 64512, while the sum is 40.

The square root of 6786841 is about 2605.1566171729. The cubic root of 6786841 is about 189.3313616333.

The spelling of 6786841 in words is "six million, seven hundred eighty-six thousand, eight hundred forty-one".