2779085 has 8 divisors (see below), whose sum is σ = 3343896. Its totient is φ = 2217280.

The previous prime is 2779069. The next prime is 2779097. The reversal of 2779085 is 5809772.

It can be written as a sum of positive squares in 4 ways, for example, as 779689 + 1999396 = 883^2 + 1414^2 .

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

It is not a de Polignac number, because 2779085 - 2⁴ = 2779069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2975 + ... + 3795.

It is an arithmetic number, because the mean of its divisors is an integer number (417987).

2^2779085 is an apocalyptic number.

It is an amenable number.

2779085 is a deficient number, since it is larger than the sum of its proper divisors (564811).

2779085 is an equidigital number, since it uses as much as digits as its factorization.

2779085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 2779085 is about 1667.0587872058. The cubic root of 2779085 is about 140.5941585039.

The spelling of 2779085 in words is "two million, seven hundred seventy-nine thousand, eighty-five".