2057872 has 20 divisors (see below), whose sum is σ = 4085676. Its totient is φ = 1003520.

The previous prime is 2057863. The next prime is 2057893. The reversal of 2057872 is 2787502.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 839056 = 1104^2 + 916^2 .

It is a nialpdrome in base 8.

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, 913 + ... + 2224.

2^2057872 is an apocalyptic number.

It is an amenable number.

2057872 is a deficient number, since it is larger than the sum of its proper divisors (2027804).

2057872 is a wasteful number, since it uses less digits than its factorization.

2057872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2057872 is about 1434.5284939659. The cubic root of 2057872 is about 127.1958043525.

The spelling of 2057872 in words is "two million, fifty-seven thousand, eight hundred seventy-two".