8386561 has 8 divisors (see below), whose sum is σ = 8657280. Its totient is φ = 8120112.

The previous prime is 8386549. The next prime is 8386571. The reversal of 8386561 is 1656838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8386561 - 2⁵ = 8386529 is a prime.

It is a pancake number, because a pancake can be divided into 8386561 parts by 4095 straight cuts.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8386561.

It is not an unprimeable number, because it can be changed into a prime (8386501) 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 7 ways as a sum of consecutive naturals, for example, 3186 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (1082160).

Almost surely, 2^8386561 is an apocalyptic number.

It is an amenable number.

8386561 is a deficient number, since it is larger than the sum of its proper divisors (270719).

8386561 is a wasteful number, since it uses less digits than its factorization.

8386561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 34560, while the sum is 37.

The square root of 8386561 is about 2895.9559734222. The cubic root of 8386561 is about 203.1708059537.

The spelling of 8386561 in words is "eight million, three hundred eighty-six thousand, five hundred sixty-one".