2140682 has 4 divisors (see below), whose sum is σ = 3211026. Its totient is φ = 1070340.

The previous prime is 2140681. The next prime is 2140729. The reversal of 2140682 is 2860412.

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., 1745041 + 395641 = 1321^2 + 629^2 .

It is not an unprimeable number, because it can be changed into a prime (2140681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535169 + ... + 535172.

2^2140682 is an apocalyptic number.

2140682 is a deficient number, since it is larger than the sum of its proper divisors (1070344).

2140682 is a wasteful number, since it uses less digits than its factorization.

2140682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070343.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2140682 is about 1463.1069680649. The cubic root of 2140682 is about 128.8795622903.

The spelling of 2140682 in words is "two million, one hundred forty thousand, six hundred eighty-two".