2681886 has 16 divisors (see below), whose sum is σ = 5679504. Its totient is φ = 841344.

The previous prime is 2681881. The next prime is 2681893. The reversal of 2681886 is 6881862.

2681886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681881) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13045 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (354969).

2^2681886 is an apocalyptic number.

2681886 is an abundant number, since it is smaller than the sum of its proper divisors (2997618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2681886 is a wasteful number, since it uses less digits than its factorization.

2681886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26315.

The product of its digits is 36864, while the sum is 39.

The square root of 2681886 is about 1637.6464819979. The cubic root of 2681886 is about 138.9355669832.

The spelling of 2681886 in words is "two million, six hundred eighty-one thousand, eight hundred eighty-six".