8971863 has 8 divisors (see below), whose sum is σ = 12482688. Its totient is φ = 5721144.

The previous prime is 8971849. The next prime is 8971873. The reversal of 8971863 is 3681798.

8971863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8971863 - 2⁶ = 8971799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8971813) 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, 64945 + ... + 65082.

It is an arithmetic number, because the mean of its divisors is an integer number (1560336).

Almost surely, 2^8971863 is an apocalyptic number.

8971863 is a deficient number, since it is larger than the sum of its proper divisors (3510825).

8971863 is a wasteful number, since it uses less digits than its factorization.

8971863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130053.

The product of its digits is 72576, while the sum is 42.

The square root of 8971863 is about 2995.3068290244. The cubic root of 8971863 is about 207.7913881694.

The spelling of 8971863 in words is "eight million, nine hundred seventy-one thousand, eight hundred sixty-three".