2721085 has 8 divisors (see below), whose sum is σ = 3437280. Its totient is φ = 2062224.

The previous prime is 2721067. The next prime is 2721109. The reversal of 2721085 is 5801272.

2721085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2721085 - 2⁵ = 2721053 is a prime.

It is an Ulam number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14227 + ... + 14416.

It is an arithmetic number, because the mean of its divisors is an integer number (429660).

2^2721085 is an apocalyptic number.

It is an amenable number.

2721085 is a deficient number, since it is larger than the sum of its proper divisors (716195).

2721085 is a wasteful number, since it uses less digits than its factorization.

2721085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28667.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2721085 is about 1649.5711563919. The cubic root of 2721085 is about 139.6091992361.

It can be divided in two parts, 27 and 21085, that added together give a palindrome (21112).

The spelling of 2721085 in words is "two million, seven hundred twenty-one thousand, eighty-five".