996588 has 72 divisors (see below), whose sum is σ = 2795520. Its totient is φ = 298080.

The previous prime is 996571. The next prime is 996599. The reversal of 996588 is 885699.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 996588.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21181 + ... + 21227.

2⁹⁹⁶⁵⁸⁸ 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 996588, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397760).

996588 is an abundant number, since it is smaller than the sum of its proper divisors (1798932).

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

996588 is a wasteful number, since it uses less digits than its factorization.

996588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 102 counting only the distinct ones).

The product of its digits is 155520, while the sum is 45.

The square root of 996588 is about 998.2925422941. The cubic root of 996588 is about 99.8861370682.

Subtracting from 996588 its reverse (885699), we obtain a square (110889 = 333²).

The spelling of 996588 in words is "nine hundred ninety-six thousand, five hundred eighty-eight".