996996 has 96 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 236160.

The previous prime is 996979. The next prime is 997001. The reversal of 996996 is 699699.

996996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996996.

It is an unprimeable number.

996996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11971 + ... + 12053.

It is an arithmetic number, because the mean of its divisors is an integer number (32928).

2⁹⁹⁶⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580544).

996996 is an abundant number, since it is smaller than the sum of its proper divisors (2164092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996996 is a wasteful number, since it uses less digits than its factorization.

996996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 119 counting only the distinct ones).

The product of its digits is 236196, while the sum is 48.

The square root of 996996 is about 998.4968703006. The cubic root of 996996 is about 99.8997662322.

The spelling of 996996 in words is "nine hundred ninety-six thousand, nine hundred ninety-six".