2240384 has 32 divisors (see below), whose sum is σ = 4663440. Its totient is φ = 1070080.

The previous prime is 2240377. The next prime is 2240389. The reversal of 2240384 is 4830422.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564 + ... + 3324.

2^2240384 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 2240384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331720).

2240384 is an abundant number, since it is smaller than the sum of its proper divisors (2423056).

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

2240384 is an equidigital number, since it uses as much as digits as its factorization.

2240384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 786 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2240384 is about 1496.7912346082. The cubic root of 2240384 is about 130.8501287033.

The spelling of 2240384 in words is "two million, two hundred forty thousand, three hundred eighty-four".