9321 has 8 divisors (see below), whose sum is σ = 13440.
Its totient is φ = 5712.
The previous prime is 9319. The next prime is 9323. The reversal of 9321 is 1239.
It can be divided in two parts, 93 and 21, that multiplied together give a triangular number (1953 = T62).
It is an interprime number because it is at equal distance from previous prime (9319) and next prime (9323).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 9321 - 21 = 9319 is a prime.
It is a plaindrome in base 14 and base 16.
It is a nialpdrome in base 10 and base 13.
It is a self number, because there is not a number n which added to its sum of digits gives 9321.
It is not an unprimeable number, because it can be changed into a prime (9323) 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, 81 + ... + 158.
It is an arithmetic number, because the mean of its divisors is an integer number (1680).
29321 is an apocalyptic number.
It is an amenable number.
9321 is a deficient number, since it is larger than the sum of its proper divisors (4119).
9321 is a wasteful number, since it uses less digits than its factorization.
9321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255.
The product of its digits is 54, while the sum is 15.
The square root of 9321 is about 96.5453261427.
The cubic root of 9321 is about 21.0452538842.
The spelling of 9321 in words is "nine thousand, three hundred twenty-one".