8871861 has 8 divisors (see below), whose sum is σ = 12081024. Its totient is φ = 5788640.

The previous prime is 8871853. The next prime is 8871869. The reversal of 8871861 is 1681788.

8871861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8871853) and next prime (8871869).

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 8871861 - 2³ = 8871853 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8871869) 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, 31320 + ... + 31601.

It is an arithmetic number, because the mean of its divisors is an integer number (1510128).

Almost surely, 2^8871861 is an apocalyptic number.

It is an amenable number.

8871861 is a deficient number, since it is larger than the sum of its proper divisors (3209163).

8871861 is a wasteful number, since it uses less digits than its factorization.

8871861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62971.

The product of its digits is 21504, while the sum is 39.

The square root of 8871861 is about 2978.5669373039. The cubic root of 8871861 is about 207.0164751526.

The spelling of 8871861 in words is "eight million, eight hundred seventy-one thousand, eight hundred sixty-one".