2748455 has 4 divisors (see below), whose sum is σ = 3298152. Its totient is φ = 2198760.

The previous prime is 2748443. The next prime is 2748457. The reversal of 2748455 is 5548472.

2748455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2748455 - 2⁴ = 2748439 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 (2748457) 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 3 ways as a sum of consecutive naturals, for example, 274841 + ... + 274850.

It is an arithmetic number, because the mean of its divisors is an integer number (824538).

2^2748455 is an apocalyptic number.

2748455 is a deficient number, since it is larger than the sum of its proper divisors (549697).

2748455 is an equidigital number, since it uses as much as digits as its factorization.

2748455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549696.

The product of its digits is 44800, while the sum is 35.

The square root of 2748455 is about 1657.8464947033. The cubic root of 2748455 is about 140.0757243403.

The spelling of 2748455 in words is "two million, seven hundred forty-eight thousand, four hundred fifty-five".