8086289 has 2 divisors, whose sum is σ = 8086290. Its totient is φ = 8086288.

The previous prime is 8086277. The next prime is 8086291. The reversal of 8086289 is 9826808.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 984064 = 2665^2 + 992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8086289 is a prime.

Together with 8086291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8086249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4043144 + 4043145.

It is an arithmetic number, because the mean of its divisors is an integer number (4043145).

Almost surely, 2^8086289 is an apocalyptic number.

It is an amenable number.

8086289 is a deficient number, since it is larger than the sum of its proper divisors (1).

8086289 is an equidigital number, since it uses as much as digits as its factorization.

8086289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 8086289 is about 2843.6400967774. The cubic root of 8086289 is about 200.7165050373.

The spelling of 8086289 in words is "eight million, eighty-six thousand, two hundred eighty-nine".