8605861 has 8 divisors (see below), whose sum is σ = 9416448. Its totient is φ = 7800000.

The previous prime is 8605853. The next prime is 8605871. The reversal of 8605861 is 1685068.

It is a happy number.

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 8605861 - 2³ = 8605853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8605801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3436 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (1177056).

Almost surely, 2^8605861 is an apocalyptic number.

It is an amenable number.

8605861 is a deficient number, since it is larger than the sum of its proper divisors (810587).

8605861 is a wasteful number, since it uses less digits than its factorization.

8605861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363.

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

The square root of 8605861 is about 2933.5747817296. The cubic root of 8605861 is about 204.9264935747.

The spelling of 8605861 in words is "eight million, six hundred five thousand, eight hundred sixty-one".