2196544 has 28 divisors (see below), whose sum is σ = 4982464. Its totient is φ = 941184.

The previous prime is 2196541. The next prime is 2196559. The reversal of 2196544 is 4456912.

2196544 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2004 + ... + 2899.

2^2196544 is an apocalyptic number.

It is an amenable number.

2196544 is an abundant number, since it is smaller than the sum of its proper divisors (2785920).

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

2196544 is an equidigital number, since it uses as much as digits as its factorization.

2196544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922 (or 4912 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 2196544 is about 1482.0742221630. The cubic root of 2196544 is about 129.9910052948.

The spelling of 2196544 in words is "two million, one hundred ninety-six thousand, five hundred forty-four".