6865536 has 64 divisors (see below), whose sum is σ = 19216800. Its totient is φ = 2165760.

The previous prime is 6865531. The next prime is 6865543. The reversal of 6865536 is 6355686.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 6865494 and 6865503.

It is not an unprimeable number, because it can be changed into a prime (6865531) 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 7 ways as a sum of consecutive naturals, for example, 6826 + ... + 7766.

Almost surely, 2^6865536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6865536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9608400).

6865536 is an abundant number, since it is smaller than the sum of its proper divisors (12351264).

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

6865536 is a wasteful number, since it uses less digits than its factorization.

6865536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 965 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 6865536 is about 2620.2167849245. The cubic root of 6865536 is about 190.0603317177.

The spelling of 6865536 in words is "six million, eight hundred sixty-five thousand, five hundred thirty-six".