2681870 has 16 divisors (see below), whose sum is σ = 4847040. Its totient is φ = 1068384.

The previous prime is 2681863. The next prime is 2681873. The reversal of 2681870 is 781862.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2681873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371 + ... + 4089.

It is an arithmetic number, because the mean of its divisors is an integer number (302940).

2^2681870 is an apocalyptic number.

2681870 is a deficient number, since it is larger than the sum of its proper divisors (2165170).

2681870 is a wasteful number, since it uses less digits than its factorization.

2681870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 2681870 is about 1637.6415969314. The cubic root of 2681870 is about 138.9352906884.

The spelling of 2681870 in words is "two million, six hundred eighty-one thousand, eight hundred seventy".