2731085 has 8 divisors (see below), whose sum is σ = 3745536. Its totient is φ = 1872720.

The previous prime is 2731063. The next prime is 2731087. The reversal of 2731085 is 5801372.

2731085 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 not a de Polignac number, because 2731085 - 2¹² = 2726989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731087) by changing a digit.

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, 38981 + ... + 39050.

It is an arithmetic number, because the mean of its divisors is an integer number (468192).

2^2731085 is an apocalyptic number.

It is an amenable number.

2731085 is a deficient number, since it is larger than the sum of its proper divisors (1014451).

2731085 is an equidigital number, since it uses as much as digits as its factorization.

2731085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78043.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2731085 is about 1652.5994675057. The cubic root of 2731085 is about 139.7800116462.

The spelling of 2731085 in words is "two million, seven hundred thirty-one thousand, eighty-five".