2057682 has 16 divisors (see below), whose sum is σ = 4489632. Its totient is φ = 623520.

The previous prime is 2057669. The next prime is 2057683. The reversal of 2057682 is 2867502.

It is not an unprimeable number, because it can be changed into a prime (2057683) 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, 15523 + ... + 15654.

It is an arithmetic number, because the mean of its divisors is an integer number (280602).

2^2057682 is an apocalyptic number.

2057682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2057682 is an abundant number, since it is smaller than the sum of its proper divisors (2431950).

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

2057682 is a wasteful number, since it uses less digits than its factorization.

2057682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31193.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2057682 is about 1434.4622685871. The cubic root of 2057682 is about 127.1918896376.

It can be divided in two parts, 205 and 7682, that added together give a palindrome (7887).

The spelling of 2057682 in words is "two million, fifty-seven thousand, six hundred eighty-two".