6865056 has 108 divisors (see below), whose sum is σ = 21567546. Its totient is φ = 2069760.

The previous prime is 6865051. The next prime is 6865057. The reversal of 6865056 is 6505686.

It can be written as a sum of positive squares in only one way, i.e., 3920400 + 2944656 = 1980^2 + 1716^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6865056.

It is not an unprimeable number, because it can be changed into a prime (6865051) 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 in 17 ways as a sum of consecutive naturals, for example, 34750 + ... + 34946.

Almost surely, 2^6865056 is an apocalyptic number.

6865056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6865056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10783773).

6865056 is an abundant number, since it is smaller than the sum of its proper divisors (14702490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6865056 is a wasteful number, since it uses less digits than its factorization.

6865056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6865056 is about 2620.1251878489. The cubic root of 6865056 is about 190.0559022949.

The spelling of 6865056 in words is "six million, eight hundred sixty-five thousand, fifty-six".