9894 has 16 divisors (see below), whose sum is σ = 21168. Its totient is φ = 3072.

The previous prime is 9887. The next prime is 9901. The reversal of 9894 is 4989.

9894 is nontrivially palindromic in base 4.

9894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9887) and next prime (9901).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

9894 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 150.

It is an arithmetic number, because the mean of its divisors is an integer number (1323).

2⁹⁸⁹⁴ is an apocalyptic number.

9894 is an abundant number, since it is smaller than the sum of its proper divisors (11274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10584).

9894 is a wasteful number, since it uses less digits than its factorization.

9894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119.

The product of its digits is 2592, while the sum is 30.

The square root of 9894 is about 99.4685880065. The cubic root of 9894 is about 21.4679529769.

It can be divided in two parts, 9 and 894, that added together give a triangular number (903 = T₄₂).

The spelling of 9894 in words is "nine thousand, eight hundred ninety-four".