8236861 has 8 divisors (see below), whose sum is σ = 8769600. Its totient is φ = 7714080.

The previous prime is 8236843. The next prime is 8236867. The reversal of 8236861 is 1686328.

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 8236861 - 2⁷ = 8236733 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 (8236867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 745 + ... + 4126.

It is an arithmetic number, because the mean of its divisors is an integer number (1096200).

Almost surely, 2^8236861 is an apocalyptic number.

8236861 is the 1284-th centered decagonal number.

It is an amenable number.

8236861 is a deficient number, since it is larger than the sum of its proper divisors (532739).

8236861 is a wasteful number, since it uses less digits than its factorization.

8236861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979.

The product of its digits is 13824, while the sum is 34.

The square root of 8236861 is about 2869.9932055669. The cubic root of 8236861 is about 201.9546756461.

The spelling of 8236861 in words is "eight million, two hundred thirty-six thousand, eight hundred sixty-one".