2585872 has 20 divisors (see below), whose sum is σ = 5183820. Its totient is φ = 1248128.

The previous prime is 2585839. The next prime is 2585899. The reversal of 2585872 is 2785852.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 1971216 = 784^2 + 1404^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2323 + ... + 3250.

It is an arithmetic number, because the mean of its divisors is an integer number (259191).

2^2585872 is an apocalyptic number.

It is an amenable number.

2585872 is an abundant number, since it is smaller than the sum of its proper divisors (2597948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585872 is a wasteful number, since it uses less digits than its factorization.

2585872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610 (or 5604 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 2585872 is about 1608.0646753163. The cubic root of 2585872 is about 137.2573704601.

The spelling of 2585872 in words is "two million, five hundred eighty-five thousand, eight hundred seventy-two".