8682661 has 16 divisors (see below), whose sum is σ = 9918720. Its totient is φ = 7539840.

The previous prime is 8682659. The next prime is 8682671. The reversal of 8682661 is 1662868.

It is a cyclic number.

It is not a de Polignac number, because 8682661 - 2¹ = 8682659 is a prime.

It is a Duffinian number.

8682661 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8682661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8682671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21025 + ... + 21433.

It is an arithmetic number, because the mean of its divisors is an integer number (619920).

Almost surely, 2^8682661 is an apocalyptic number.

It is an amenable number.

8682661 is a deficient number, since it is larger than the sum of its proper divisors (1236059).

8682661 is a wasteful number, since it uses less digits than its factorization.

8682661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 27648, while the sum is 37.

The square root of 8682661 is about 2946.6355390513. The cubic root of 8682661 is about 205.5342874297.

The spelling of 8682661 in words is "eight million, six hundred eighty-two thousand, six hundred sixty-one".