996544 has 28 divisors (see below), whose sum is σ = 2066544. Its totient is φ = 475904.

The previous prime is 996539. The next prime is 996551. The reversal of 996544 is 445699.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134 + ... + 1810.

2⁹⁹⁶⁵⁴⁴ 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 996544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1033272).

996544 is an abundant number, since it is smaller than the sum of its proper divisors (1070000).

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

996544 is a wasteful number, since it uses less digits than its factorization.

996544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712 (or 702 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 996544 is about 998.2705044225. The cubic root of 996544 is about 99.8846670342.

It can be divided in two parts, 996 and 544, that added together give a triangular number (1540 = T₅₅).

The spelling of 996544 in words is "nine hundred ninety-six thousand, five hundred forty-four".