8345861 has 8 divisors (see below), whose sum is σ = 8884800. Its totient is φ = 7812288.

The previous prime is 8345839. The next prime is 8345891. The reversal of 8345861 is 1685438.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8345861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345801) 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, 2150 + ... + 4616.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600).

Almost surely, 2^8345861 is an apocalyptic number.

It is an amenable number.

8345861 is a deficient number, since it is larger than the sum of its proper divisors (538939).

8345861 is a wasteful number, since it uses less digits than its factorization.

8345861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its digits is 23040, while the sum is 35.

The square root of 8345861 is about 2888.9203865804. The cubic root of 8345861 is about 202.8416100509.

The spelling of 8345861 in words is "eight million, three hundred forty-five thousand, eight hundred sixty-one".