2681684 has 12 divisors (see below), whose sum is σ = 4713408. Its totient is φ = 1335000.

The previous prime is 2681683. The next prime is 2681713. The reversal of 2681684 is 4861862.

2681684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681681) 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 3 ways as a sum of consecutive naturals, for example, 332 + ... + 2339.

It is an arithmetic number, because the mean of its divisors is an integer number (392784).

2^2681684 is an apocalyptic number.

It is an amenable number.

2681684 is a deficient number, since it is larger than the sum of its proper divisors (2031724).

2681684 is a wasteful number, since it uses less digits than its factorization.

2681684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2924 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 2681684 is about 1637.5848069642. The cubic root of 2681684 is about 138.9320786806.

The spelling of 2681684 in words is "two million, six hundred eighty-one thousand, six hundred eighty-four".