9995 has 4 divisors (see below), whose sum is σ = 12000. Its totient is φ = 7992.

The previous prime is 9973. The next prime is 10007. The reversal of 9995 is 5999.

9995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5999 = 7 ⋅857.

It is a cyclic number.

It is not a de Polignac number, because 9995 - 2⁶ = 9931 is a prime.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 9995.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 995 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (3000).

2⁹⁹⁹⁵ is an apocalyptic number.

9995 is a deficient number, since it is larger than the sum of its proper divisors (2005).

9995 is a wasteful number, since it uses less digits than its factorization.

9995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004.

The product of its digits is 3645, while the sum is 32.

The square root of 9995 is about 99.9749968742. The cubic root of 9995 is about 21.5407555772.

The spelling of 9995 in words is "nine thousand, nine hundred ninety-five".