2144016 has 80 divisors (see below), whose sum is σ = 7043200. Its totient is φ = 611712.

The previous prime is 2144011. The next prime is 2144029. The reversal of 2144016 is 6104412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 2144016.

It is not an unprimeable number, because it can be changed into a prime (2144011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2670 + ... + 3378.

It is an arithmetic number, because the mean of its divisors is an integer number (88040).

2^2144016 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 2144016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3521600).

2144016 is an abundant number, since it is smaller than the sum of its proper divisors (4899184).

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

2144016 is a wasteful number, since it uses less digits than its factorization.

2144016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2144016 is about 1464.2458809913. The cubic root of 2144016 is about 128.9464353060.

Adding to 2144016 its reverse (6104412), we get a palindrome (8248428).

The spelling of 2144016 in words is "two million, one hundred forty-four thousand, sixteen".