2681867 has 8 divisors (see below), whose sum is σ = 2804736. Its totient is φ = 2561832.

The previous prime is 2681863. The next prime is 2681873. The reversal of 2681867 is 7681862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2681867 - 2² = 2681863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2681867.

It is not an unprimeable number, because it can be changed into a prime (2681863) 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, 1358 + ... + 2684.

It is an arithmetic number, because the mean of its divisors is an integer number (350592).

2^2681867 is an apocalyptic number.

2681867 is a deficient number, since it is larger than the sum of its proper divisors (122869).

2681867 is a wasteful number, since it uses less digits than its factorization.

2681867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417.

The product of its digits is 32256, while the sum is 38.

The square root of 2681867 is about 1637.6406809798. The cubic root of 2681867 is about 138.9352388830.

The spelling of 2681867 in words is "two million, six hundred eighty-one thousand, eight hundred sixty-seven".