2748445 has 16 divisors (see below), whose sum is σ = 3968640. Its totient is φ = 1785024.

The previous prime is 2748443. The next prime is 2748457. The reversal of 2748445 is 5448472.

It is a happy number.

2748445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2748445 - 2¹ = 2748443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2748445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748443) 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 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 2731.

It is an arithmetic number, because the mean of its divisors is an integer number (248040).

2^2748445 is an apocalyptic number.

It is an amenable number.

2748445 is a deficient number, since it is larger than the sum of its proper divisors (1220195).

2748445 is a wasteful number, since it uses less digits than its factorization.

2748445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 35840, while the sum is 34.

The square root of 2748445 is about 1657.8434787398. The cubic root of 2748445 is about 140.0755544559.

The spelling of 2748445 in words is "two million, seven hundred forty-eight thousand, four hundred forty-five".