9287 has 4 divisors (see below), whose sum is σ = 9576. Its totient is φ = 9000.

The previous prime is 9283. The next prime is 9293. The reversal of 9287 is 7829.

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 9287 - 2² = 9283 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9281) 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, 89 + ... + 162.

It is an arithmetic number, because the mean of its divisors is an integer number (2394).

2⁹²⁸⁷ is an apocalyptic number.

9287 is a deficient number, since it is larger than the sum of its proper divisors (289).

9287 is a wasteful number, since it uses less digits than its factorization.

9287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 1008, while the sum is 26.

The square root of 9287 is about 96.3690821789. The cubic root of 9287 is about 21.0196339429.

Subtracting from 9287 its sum of digits (26), we obtain a cube (9261 = 21³).

The spelling of 9287 in words is "nine thousand, two hundred eighty-seven".