2203824 has 60 divisors (see below), whose sum is σ = 6629784. Its totient is φ = 628992.

The previous prime is 2203811. The next prime is 2203843. The reversal of 2203824 is 4283022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2203824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1884 + ... + 2820.

2^2203824 is an apocalyptic number.

2203824 is a gapful number since it is divisible by the number (24) 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 2203824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3314892).

2203824 is an abundant number, since it is smaller than the sum of its proper divisors (4425960).

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

2203824 is a wasteful number, since it uses less digits than its factorization.

2203824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962 (or 949 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2203824 is about 1484.5282078829. The cubic root of 2203824 is about 130.1344565469.

Adding to 2203824 its reverse (4283022), we get a palindrome (6486846).

The spelling of 2203824 in words is "two million, two hundred three thousand, eight hundred twenty-four".