2057844 has 24 divisors (see below), whose sum is σ = 4829440. Its totient is φ = 681984.

The previous prime is 2057813. The next prime is 2057849. The reversal of 2057844 is 4487502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292 + ... + 3060.

2^2057844 is an apocalyptic number.

It is an amenable number.

2057844 is an abundant number, since it is smaller than the sum of its proper divisors (2771596).

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

2057844 is a wasteful number, since it uses less digits than its factorization.

2057844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2057844 is about 1434.5187346284. The cubic root of 2057844 is about 127.1952274622.

The spelling of 2057844 in words is "two million, fifty-seven thousand, eight hundred forty-four".