8987171 has 4 divisors (see below), whose sum is σ = 9460200. Its totient is φ = 8514144.

The previous prime is 8987161. The next prime is 8987183. The reversal of 8987171 is 1717898.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8987171 - 2⁶ = 8987107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8987161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236486 + ... + 236523.

It is an arithmetic number, because the mean of its divisors is an integer number (2365050).

Almost surely, 2^8987171 is an apocalyptic number.

8987171 is a deficient number, since it is larger than the sum of its proper divisors (473029).

8987171 is a wasteful number, since it uses less digits than its factorization.

8987171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473028.

The product of its digits is 28224, while the sum is 41.

The square root of 8987171 is about 2997.8610708303. The cubic root of 8987171 is about 207.9095005091.

The spelling of 8987171 in words is "eight million, nine hundred eighty-seven thousand, one hundred seventy-one".