6861056 has 18 divisors (see below), whose sum is σ = 13695822. Its totient is φ = 3430400.

The previous prime is 6861053. The next prime is 6861067. The reversal of 6861056 is 6501686.

It can be written as a sum of positive squares in only one way, i.e., 5382400 + 1478656 = 2320^2 + 1216^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (6861053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13145 + ... + 13656.

It is an arithmetic number, because the mean of its divisors is an integer number (760879).

Almost surely, 2^6861056 is an apocalyptic number.

It is an amenable number.

6861056 is a deficient number, since it is larger than the sum of its proper divisors (6834766).

6861056 is an equidigital number, since it uses as much as digits as its factorization.

6861056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26817 (or 26803 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6861056 is about 2619.3617543211. The cubic root of 6861056 is about 190.0189824063.

The spelling of 6861056 in words is "six million, eight hundred sixty-one thousand, fifty-six".