2557924 has 12 divisors (see below), whose sum is σ = 4493104. Its totient is φ = 1274184.

The previous prime is 2557909. The next prime is 2557931. The reversal of 2557924 is 4297552.

2557924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁷ + 5⁸ + 5⁸ + 7² + 9⁶ + 2²⁰ + 4⁸ .

It is a self number, because there is not a number n which added to its sum of digits gives 2557924.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187 + ... + 2269.

2^2557924 is an apocalyptic number.

It is an amenable number.

2557924 is a deficient number, since it is larger than the sum of its proper divisors (1935180).

2557924 is a wasteful number, since it uses less digits than its factorization.

2557924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394 (or 2392 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 2557924 is about 1599.3511184227. The cubic root of 2557924 is about 136.7610875041.

It can be divided in two parts, 2557 and 924, that added together give a square (3481 = 59²).

The spelling of 2557924 in words is "two million, five hundred fifty-seven thousand, nine hundred twenty-four".