2748449 has 4 divisors (see below), whose sum is σ = 2998320. Its totient is φ = 2498580.

The previous prime is 2748443. The next prime is 2748457. The reversal of 2748449 is 9448472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2748449 - 2⁴ = 2748433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124919 + ... + 124940.

It is an arithmetic number, because the mean of its divisors is an integer number (749580).

2^2748449 is an apocalyptic number.

It is an amenable number.

2748449 is a deficient number, since it is larger than the sum of its proper divisors (249871).

2748449 is a wasteful number, since it uses less digits than its factorization.

2748449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249870.

The product of its digits is 64512, while the sum is 38.

The square root of 2748449 is about 1657.8446851258. The cubic root of 2748449 is about 140.0756224097.

The spelling of 2748449 in words is "two million, seven hundred forty-eight thousand, four hundred forty-nine".