1996544 has 36 divisors (see below), whose sum is σ = 4353720. Its totient is φ = 906240.

The previous prime is 1996543. The next prime is 1996549. The reversal of 1996544 is 4456991.

1996544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1996498 and 1996507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2462 + ... + 3170.

2^1996544 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 1996544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176860).

1996544 is an abundant number, since it is smaller than the sum of its proper divisors (2357176).

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

1996544 is an equidigital number, since it uses as much as digits as its factorization.

1996544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736 (or 722 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 1996544 is about 1412.9911535463. The cubic root of 1996544 is about 125.9194916957.

The spelling of 1996544 in words is "one million, nine hundred ninety-six thousand, five hundred forty-four".