8610685 has 4 divisors (see below), whose sum is σ = 10332828. Its totient is φ = 6888544.

The previous prime is 8610659. The next prime is 8610731. The reversal of 8610685 is 5860168.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 7584516 = 1013^2 + 2754^2 .

It is a cyclic number.

It is not a de Polignac number, because 8610685 - 2⁷ = 8610557 is a prime.

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 8610685.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 861064 + ... + 861073.

It is an arithmetic number, because the mean of its divisors is an integer number (2583207).

Almost surely, 2^8610685 is an apocalyptic number.

It is an amenable number.

8610685 is a deficient number, since it is larger than the sum of its proper divisors (1722143).

8610685 is a wasteful number, since it uses less digits than its factorization.

8610685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722142.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8610685 is about 2934.3968715905. The cubic root of 8610685 is about 204.9647768156.

The spelling of 8610685 in words is "eight million, six hundred ten thousand, six hundred eighty-five".