2131682 has 16 divisors (see below), whose sum is σ = 3740352. Its totient is φ = 892080.

The previous prime is 2131669. The next prime is 2131687. The reversal of 2131682 is 2861312.

It is not an unprimeable number, because it can be changed into a prime (2131687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (233772).

2^2131682 is an apocalyptic number.

2131682 is a deficient number, since it is larger than the sum of its proper divisors (1608670).

2131682 is a wasteful number, since it uses less digits than its factorization.

2131682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3593.

The product of its digits is 576, while the sum is 23.

The square root of 2131682 is about 1460.0280819217. The cubic root of 2131682 is about 128.6986938567.

Adding to 2131682 its reverse (2861312), we get a palindrome (4992994).

The spelling of 2131682 in words is "two million, one hundred thirty-one thousand, six hundred eighty-two".