2016544 has 48 divisors (see below), whose sum is σ = 4286520. Its totient is φ = 931840.

The previous prime is 2016541. The next prime is 2016551. The reversal of 2016544 is 4456102.

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 547600 = 1212^2 + 740^2 .

It is not an unprimeable number, because it can be changed into a prime (2016541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38022 + ... + 38074.

2^2016544 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 2016544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143260).

2016544 is an abundant number, since it is smaller than the sum of its proper divisors (2269976).

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

2016544 is a wasteful number, since it uses less digits than its factorization.

2016544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2016544 is about 1420.0507033201. The cubic root of 2016544 is about 126.3385536945.

The spelling of 2016544 in words is "two million, sixteen thousand, five hundred forty-four".