2688982 has 4 divisors (see below), whose sum is σ = 4033476. Its totient is φ = 1344490.

The previous prime is 2688979. The next prime is 2688997. The reversal of 2688982 is 2898862.

2688982 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2898862 = 2 ⋅1449431.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 672244 + ... + 672247.

It is an arithmetic number, because the mean of its divisors is an integer number (1008369).

2^2688982 is an apocalyptic number.

2688982 is a deficient number, since it is larger than the sum of its proper divisors (1344494).

2688982 is a wasteful number, since it uses less digits than its factorization.

2688982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344493.

The product of its digits is 110592, while the sum is 43.

The square root of 2688982 is about 1639.8115745414. The cubic root of 2688982 is about 139.0579955701.

The spelling of 2688982 in words is "two million, six hundred eighty-eight thousand, nine hundred eighty-two".