8085861 has 12 divisors (see below), whose sum is σ = 13348192. Its totient is φ = 4620456.

The previous prime is 8085859. The next prime is 8085893. The reversal of 8085861 is 1685808.

It is not a de Polignac number, because 8085861 - 2¹ = 8085859 is a prime.

It is a super-2 number, since 2×8085861² = 130762296222642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8085821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64111 + ... + 64236.

Almost surely, 2^8085861 is an apocalyptic number.

It is an amenable number.

8085861 is a deficient number, since it is larger than the sum of its proper divisors (5262331).

8085861 is a wasteful number, since it uses less digits than its factorization.

8085861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128360 (or 128357 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 8085861 is about 2843.5648401259. The cubic root of 8085861 is about 200.7129637269.

The spelling of 8085861 in words is "eight million, eighty-five thousand, eight hundred sixty-one".