995963 has 4 divisors (see below), whose sum is σ = 998760. Its totient is φ = 993168.

The previous prime is 995959. The next prime is 995983. The reversal of 995963 is 369599.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 995963 - 2² = 995959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 995963.

It is not an unprimeable number, because it can be changed into a prime (995903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 770 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (249690).

2⁹⁹⁵⁹⁶³ is an apocalyptic number.

995963 is a deficient number, since it is larger than the sum of its proper divisors (2797).

995963 is a wasteful number, since it uses less digits than its factorization.

995963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796.

The product of its digits is 65610, while the sum is 41.

The square root of 995963 is about 997.9794587064. The cubic root of 995963 is about 99.8652518442.

Adding to 995963 its sum of digits (41), we get a square (996004 = 998²).

It can be divided in two parts, 99596 and 3, that added together give a palindrome (99599).

The spelling of 995963 in words is "nine hundred ninety-five thousand, nine hundred sixty-three".