6842656 has 12 divisors (see below), whose sum is σ = 13471542. Its totient is φ = 3421312.

The previous prime is 6842651. The next prime is 6842681. The reversal of 6842656 is 6562486.

It can be written as a sum of positive squares in only one way, i.e., 6170256 + 672400 = 2484^2 + 820^2 .

It is a super-2 number, since 2×6842656² = 93643882268672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6842651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106885 + ... + 106948.

Almost surely, 2^6842656 is an apocalyptic number.

It is an amenable number.

6842656 is a deficient number, since it is larger than the sum of its proper divisors (6628886).

6842656 is a wasteful number, since it uses less digits than its factorization.

6842656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213843 (or 213835 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 6842656 is about 2615.8470903323. The cubic root of 6842656 is about 189.8489658448.

It can be divided in two parts, 68 and 42656, that added together give a palindrome (42724).

The spelling of 6842656 in words is "six million, eight hundred forty-two thousand, six hundred fifty-six".