2543824 has 20 divisors (see below), whose sum is σ = 5063044. Its totient is φ = 1237248.

The previous prime is 2543813. The next prime is 2543833. The reversal of 2543824 is 4283452.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 672400 = 1368^2 + 820^2 .

It is a d-powerful number, because it can be written as 2⁵ + 5⁵ + 4⁶ + 3¹¹ + 8⁷ + 2⁷ + 4⁹ .

It is a junction number, because it is equal to n+sod(n) for n = 2543792 and 2543801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1557 + ... + 2740.

2^2543824 is an apocalyptic number.

It is an amenable number.

2543824 is a deficient number, since it is larger than the sum of its proper divisors (2519220).

2543824 is a wasteful number, since it uses less digits than its factorization.

2543824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4342 (or 4336 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 2543824 is about 1594.9369893510. The cubic root of 2543824 is about 136.5093357719.

The spelling of 2543824 in words is "two million, five hundred forty-three thousand, eight hundred twenty-four".