2243984 has 10 divisors (see below), whose sum is σ = 4347750. Its totient is φ = 1121984.

The previous prime is 2243959. The next prime is 2243987. The reversal of 2243984 is 4893422.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 394384 = 1360^2 + 628^2 .

It is a d-powerful number, because it can be written as 2¹¹ + 2²¹ + 4 + 3⁹ + 9⁵ + 8³ + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2243984.

It is not an unprimeable number, because it can be changed into a prime (2243987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70109 + ... + 70140.

It is an arithmetic number, because the mean of its divisors is an integer number (434775).

2^2243984 is an apocalyptic number.

It is an amenable number.

2243984 is a deficient number, since it is larger than the sum of its proper divisors (2103766).

2243984 is a wasteful number, since it uses less digits than its factorization.

2243984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140257 (or 140251 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

The square root of 2243984 is about 1497.9933244177. The cubic root of 2243984 is about 130.9201774655.

The spelling of 2243984 in words is "two million, two hundred forty-three thousand, nine hundred eighty-four".