2560889 has 12 divisors (see below), whose sum is σ = 2760576. Its totient is φ = 2374152.

The previous prime is 2560871. The next prime is 2560891. The reversal of 2560889 is 9880652.

It is not a de Polignac number, because 2560889 - 2¹² = 2556793 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 (2560849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24812 + ... + 24914.

It is an arithmetic number, because the mean of its divisors is an integer number (230048).

2^2560889 is an apocalyptic number.

It is an amenable number.

2560889 is a deficient number, since it is larger than the sum of its proper divisors (199687).

2560889 is a wasteful number, since it uses less digits than its factorization.

2560889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 2560889 is about 1600.2777883855. The cubic root of 2560889 is about 136.8139089913.

The spelling of 2560889 in words is "two million, five hundred sixty thousand, eight hundred eighty-nine".