2162944 has 72 divisors (see below), whose sum is σ = 5298048. Its totient is φ = 860160.

The previous prime is 2162929. The next prime is 2162947. The reversal of 2162944 is 4492612.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2162947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30429 + ... + 30499.

It is an arithmetic number, because the mean of its divisors is an integer number (73584).

2^2162944 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 2162944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649024).

2162944 is an abundant number, since it is smaller than the sum of its proper divisors (3135104).

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

2162944 is an equidigital number, since it uses as much as digits as its factorization.

2162944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 97 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2162944 is about 1470.6950737661. The cubic root of 2162944 is about 129.3247830344.

It can be divided in two parts, 216 and 2944, that added together give a triangular number (3160 = T₇₉).

The spelling of 2162944 in words is "two million, one hundred sixty-two thousand, nine hundred forty-four".