9895 has 4 divisors (see below), whose sum is σ = 11880. Its totient is φ = 7912.

The previous prime is 9887. The next prime is 9901. The reversal of 9895 is 5989.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5989 = 53 ⋅113.

It is a cyclic number.

It is not a de Polignac number, because 9895 - 2³ = 9887 is a prime.

It is a super-2 number, since 2×9895² = 195822050, 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.

9895 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (2970).

2⁹⁸⁹⁵ is an apocalyptic number.

9895 is a deficient number, since it is larger than the sum of its proper divisors (1985).

9895 is a wasteful number, since it uses less digits than its factorization.

9895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984.

The product of its digits is 3240, while the sum is 31.

The square root of 9895 is about 99.4736145920. The cubic root of 9895 is about 21.4686762175.

The spelling of 9895 in words is "nine thousand, eight hundred ninety-five".