9885 has 8 divisors (see below), whose sum is σ = 15840. Its totient is φ = 5264.

The previous prime is 9883. The next prime is 9887. The reversal of 9885 is 5889.

It is an interprime number because it is at equal distance from previous prime (9883) and next prime (9887).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9885 - 2¹ = 9883 is a prime.

It is a plaindrome in base 16.

It is a nialpdrome in base 10.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9885.

It is not an unprimeable number, because it can be changed into a prime (9883) 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, 315 + ... + 344.

It is an arithmetic number, because the mean of its divisors is an integer number (1980).

2⁹⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

9885 is a deficient number, since it is larger than the sum of its proper divisors (5955).

9885 is a wasteful number, since it uses less digits than its factorization.

9885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its digits is 2880, while the sum is 30.

The square root of 9885 is about 99.4233373007. The cubic root of 9885 is about 21.4614416167.

The spelling of 9885 in words is "nine thousand, eight hundred eighty-five".