2681836 has 12 divisors (see below), whose sum is σ = 4737040. Its totient is φ = 1328400.

The previous prime is 2681827. The next prime is 2681843. The reversal of 2681836 is 6381862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2640 + ... + 3511.

2^2681836 is an apocalyptic number.

It is an amenable number.

2681836 is a deficient number, since it is larger than the sum of its proper divisors (2055204).

2681836 is a wasteful number, since it uses less digits than its factorization.

2681836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264 (or 6262 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 2681836 is about 1637.6312161167. The cubic root of 2681836 is about 138.9347035582.

The spelling of 2681836 in words is "two million, six hundred eighty-one thousand, eight hundred thirty-six".