996618 has 32 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 279360.

The previous prime is 996617. The next prime is 996629. The reversal of 996618 is 816699.

996618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996618.

It is not an unprimeable number, because it can be changed into a prime (996617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2368 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2⁹⁹⁶⁶¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 996618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160640).

996618 is an abundant number, since it is smaller than the sum of its proper divisors (1324662).

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

996618 is a wasteful number, since it uses less digits than its factorization.

996618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462.

The product of its digits is 23328, while the sum is 39.

The square root of 996618 is about 998.3075678367. The cubic root of 996618 is about 99.8871393393.

The spelling of 996618 in words is "nine hundred ninety-six thousand, six hundred eighteen".