2585838 has 16 divisors (see below), whose sum is σ = 5187456. Its totient is φ = 859320.

The previous prime is 2585837. The next prime is 2585839. The reversal of 2585838 is 8385852.

It is an interprime number because it is at equal distance from previous prime (2585837) and next prime (2585839).

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

It is a junction number, because it is equal to n+sod(n) for n = 2585796 and 2585805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585833) 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, 3445 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (324216).

2^2585838 is an apocalyptic number.

2585838 is an abundant number, since it is smaller than the sum of its proper divisors (2601618).

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

2585838 is a wasteful number, since it uses less digits than its factorization.

2585838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319.

The product of its digits is 76800, while the sum is 39.

The square root of 2585838 is about 1608.0541035674. The cubic root of 2585838 is about 137.2567688872.

The spelling of 2585838 in words is "two million, five hundred eighty-five thousand, eight hundred thirty-eight".