995996 has 24 divisors (see below), whose sum is σ = 1876896. Its totient is φ = 460800.

The previous prime is 995989. The next prime is 996001. The reversal of 995996 is 699599.

995996 = 234² + 235² + ... + 250².

It is a self number, because there is not a number n which added to its sum of digits gives 995996.

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 995996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6521 + ... + 6671.

It is an arithmetic number, because the mean of its divisors is an integer number (78204).

2⁹⁹⁵⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

995996 is a deficient number, since it is larger than the sum of its proper divisors (880900).

995996 is a wasteful number, since it uses less digits than its factorization.

995996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 267 counting only the distinct ones).

The product of its digits is 196830, while the sum is 47.

The square root of 995996 is about 997.9959919759. The cubic root of 995996 is about 99.8663548025.

It can be divided in two parts, 995 and 996, that added together give a palindrome (1991).

The spelling of 995996 in words is "nine hundred ninety-five thousand, nine hundred ninety-six".