2238944 has 48 divisors (see below), whose sum is σ = 4749696. Its totient is φ = 1036800.

The previous prime is 2238937. The next prime is 2238947. The reversal of 2238944 is 4498322.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁷ + 3⁷ + 8⁷ + 9² + 4 + 4⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2238944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238947) 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, 36674 + ... + 36734.

It is an arithmetic number, because the mean of its divisors is an integer number (98952).

2^2238944 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 2238944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2374848).

2238944 is an abundant number, since it is smaller than the sum of its proper divisors (2510752).

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

2238944 is a wasteful number, since it uses less digits than its factorization.

2238944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 131 counting only the distinct ones).

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

The square root of 2238944 is about 1496.3101282822. The cubic root of 2238944 is about 130.8220881874.

The spelling of 2238944 in words is "two million, two hundred thirty-eight thousand, nine hundred forty-four".