2143682 has 4 divisors (see below), whose sum is σ = 3215526. Its totient is φ = 1071840.

The previous prime is 2143667. The next prime is 2143711. The reversal of 2143682 is 2863412.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1485961 + 657721 = 1219^2 + 811^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535919 + ... + 535922.

2^2143682 is an apocalyptic number.

2143682 is a deficient number, since it is larger than the sum of its proper divisors (1071844).

2143682 is a wasteful number, since it uses less digits than its factorization.

2143682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071843.

The product of its digits is 2304, while the sum is 26.

The square root of 2143682 is about 1464.1318246661. The cubic root of 2143682 is about 128.9397390957.

The spelling of 2143682 in words is "two million, one hundred forty-three thousand, six hundred eighty-two".