2681764 has 12 divisors (see below), whose sum is σ = 4704588. Its totient is φ = 1337600.

The previous prime is 2681729. The next prime is 2681803. The reversal of 2681764 is 4671862.

2681764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 153664 + 2528100 = 392^2 + 1590^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 2604 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (392049).

2^2681764 is an apocalyptic number.

It is an amenable number.

2681764 is a deficient number, since it is larger than the sum of its proper divisors (2022824).

2681764 is a wasteful number, since it uses less digits than its factorization.

2681764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1644 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 2681764 is about 1637.6092329979. The cubic root of 2681764 is about 138.9334602075.

The spelling of 2681764 in words is "two million, six hundred eighty-one thousand, seven hundred sixty-four".