2824240 has 40 divisors (see below), whose sum is σ = 6727248. Its totient is φ = 1102080.

The previous prime is 2824207. The next prime is 2824259. The reversal of 2824240 is 424282.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3030 + ... + 3850.

2^2824240 is an apocalyptic number.

2824240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2824240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3363624).

2824240 is an abundant number, since it is smaller than the sum of its proper divisors (3903008).

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

2824240 is a wasteful number, since it uses less digits than its factorization.

2824240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 2824240 is about 1680.5475298247. The cubic root of 2824240 is about 141.3515363604.

It can be divided in two parts, 28242 and 40, that added together give a palindrome (28282).

The spelling of 2824240 in words is "two million, eight hundred twenty-four thousand, two hundred forty".