2682861 has 4 divisors (see below), whose sum is σ = 3577152. Its totient is φ = 1788572.

The previous prime is 2682859. The next prime is 2682887. The reversal of 2682861 is 1682862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2682861 - 2¹ = 2682859 is a prime.

It is a D-number.

2682861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2682061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447141 + ... + 447146.

It is an arithmetic number, because the mean of its divisors is an integer number (894288).

2^2682861 is an apocalyptic number.

It is an amenable number.

2682861 is a deficient number, since it is larger than the sum of its proper divisors (894291).

2682861 is an equidigital number, since it uses as much as digits as its factorization.

2682861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894290.

The product of its digits is 9216, while the sum is 33.

The square root of 2682861 is about 1637.9441382416. The cubic root of 2682861 is about 138.9524016243.

Subtracting from 2682861 its reverse (1682862), we obtain a palindrome (999999).

The spelling of 2682861 in words is "two million, six hundred eighty-two thousand, eight hundred sixty-one".