2765244 has 48 divisors (see below), whose sum is σ = 6918912. Its totient is φ = 857472.

The previous prime is 2765239. The next prime is 2765251. The reversal of 2765244 is 4425672.

2765244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2⁷ + 7 + 6⁸ + 5⁵ + 2¹⁵ + 4⁵ + 4¹⁰ .

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 15 ways as a sum of consecutive naturals, for example, 11752 + ... + 11984.

It is an arithmetic number, because the mean of its divisors is an integer number (144144).

2^2765244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2765244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3459456).

2765244 is an abundant number, since it is smaller than the sum of its proper divisors (4153668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2765244 is a wasteful number, since it uses less digits than its factorization.

2765244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 304 counting only the distinct ones).

The product of its digits is 13440, while the sum is 30.

The square root of 2765244 is about 1662.9022821561. The cubic root of 2765244 is about 140.3603641332.

The spelling of 2765244 in words is "two million, seven hundred sixty-five thousand, two hundred forty-four".