8255864 has 16 divisors (see below), whose sum is σ = 15640800. Its totient is φ = 4084992.

The previous prime is 8255857. The next prime is 8255867. The reversal of 8255864 is 4685528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8255867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4544 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (977550).

Almost surely, 2^8255864 is an apocalyptic number.

It is an amenable number.

8255864 is a deficient number, since it is larger than the sum of its proper divisors (7384936).

8255864 is a wasteful number, since it uses less digits than its factorization.

8255864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10742 (or 10738 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 8255864 is about 2873.3019333164. The cubic root of 8255864 is about 202.1098640998.

It can be divided in two parts, 8255 and 864, that added together give a palindrome (9119).

The spelling of 8255864 in words is "eight million, two hundred fifty-five thousand, eight hundred sixty-four".