2686982 has 4 divisors (see below), whose sum is σ = 4030476. Its totient is φ = 1343490.

The previous prime is 2686979. The next prime is 2686993. The reversal of 2686982 is 2896862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2896862 = 2 ⋅1448431.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671744 + ... + 671747.

It is an arithmetic number, because the mean of its divisors is an integer number (1007619).

2^2686982 is an apocalyptic number.

2686982 is a deficient number, since it is larger than the sum of its proper divisors (1343494).

2686982 is a wasteful number, since it uses less digits than its factorization.

2686982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343493.

The product of its digits is 82944, while the sum is 41.

The square root of 2686982 is about 1639.2016349431. The cubic root of 2686982 is about 139.0235110240.

The spelling of 2686982 in words is "two million, six hundred eighty-six thousand, nine hundred eighty-two".