8255985 has 16 divisors (see below), whose sum is σ = 13263936. Its totient is φ = 4385088.

The previous prime is 8255983. The next prime is 8256007. The reversal of 8255985 is 5895528.

It is not a de Polignac number, because 8255985 - 2¹ = 8255983 is a prime.

It is a super-2 number, since 2×8255985² = 136322576640450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8255983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3162 + ... + 5148.

It is an arithmetic number, because the mean of its divisors is an integer number (828996).

Almost surely, 2^8255985 is an apocalyptic number.

It is an amenable number.

8255985 is a deficient number, since it is larger than the sum of its proper divisors (5007951).

8255985 is a wasteful number, since it uses less digits than its factorization.

8255985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272.

The product of its digits is 144000, while the sum is 42.

The square root of 8255985 is about 2873.3229891538. The cubic root of 8255985 is about 202.1108514858.

The spelling of 8255985 in words is "eight million, two hundred fifty-five thousand, nine hundred eighty-five".