9006871 has 4 divisors (see below), whose sum is σ = 9036144. Its totient is φ = 8977600.

The previous prime is 9006863. The next prime is 9006883. The reversal of 9006871 is 1786009.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1786009 = 347 ⋅5147.

It is a cyclic number.

It is not a de Polignac number, because 9006871 - 2³ = 9006863 is a prime.

It is a super-2 number, since 2×9006871² = 162247450421282, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

9006871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9006071) 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 3 ways as a sum of consecutive naturals, for example, 14170 + ... + 14791.

It is an arithmetic number, because the mean of its divisors is an integer number (2259036).

Almost surely, 2^9006871 is an apocalyptic number.

9006871 is a deficient number, since it is larger than the sum of its proper divisors (29273).

9006871 is a wasteful number, since it uses less digits than its factorization.

9006871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29272.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 9006871 is about 3001.1449481823. The cubic root of 9006871 is about 208.0613031214.

The spelling of 9006871 in words is "nine million, six thousand, eight hundred seventy-one".