8086681 has 2 divisors, whose sum is σ = 8086682. Its totient is φ = 8086680.

The previous prime is 8086669. The next prime is 8086693. The reversal of 8086681 is 1866808.

It is a balanced prime because it is at equal distance from previous prime (8086669) and next prime (8086693).

It can be written as a sum of positive squares in only one way, i.e., 6843456 + 1243225 = 2616^2 + 1115^2 .

It is a cyclic number.

It is not a de Polignac number, because 8086681 - 2¹³ = 8078489 is a prime.

It is a super-2 number, since 2×8086681² = 130788819191522, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8086681.

It is not a weakly prime, because it can be changed into another prime (8086181) 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 as a sum of consecutive naturals, namely, 4043340 + 4043341.

It is an arithmetic number, because the mean of its divisors is an integer number (4043341).

Almost surely, 2^8086681 is an apocalyptic number.

It is an amenable number.

8086681 is a deficient number, since it is larger than the sum of its proper divisors (1).

8086681 is an equidigital number, since it uses as much as digits as its factorization.

8086681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 8086681 is about 2843.7090216828. The cubic root of 8086681 is about 200.7197483709.

The spelling of 8086681 in words is "eight million, eighty-six thousand, six hundred eighty-one".