2560449 has 8 divisors (see below), whose sum is σ = 3429760. Its totient is φ = 1699056.

The previous prime is 2560433. The next prime is 2560457. The reversal of 2560449 is 9440652.

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

It is not a de Polignac number, because 2560449 - 2⁴ = 2560433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2560499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (428720).

2^2560449 is an apocalyptic number.

It is an amenable number.

2560449 is a deficient number, since it is larger than the sum of its proper divisors (869311).

2560449 is a wasteful number, since it uses less digits than its factorization.

2560449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2560449 is about 1600.1403063482. The cubic root of 2560449 is about 136.8060729666.

The spelling of 2560449 in words is "two million, five hundred sixty thousand, four hundred forty-nine".