2585898 has 32 divisors (see below), whose sum is σ = 6568320. Its totient is φ = 738720.

The previous prime is 2585839. The next prime is 2585899. The reversal of 2585898 is 8985852.

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

It is not an unprimeable number, because it can be changed into a prime (2585899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3043 + ... + 3798.

It is an arithmetic number, because the mean of its divisors is an integer number (205260).

2^2585898 is an apocalyptic number.

2585898 is an abundant number, since it is smaller than the sum of its proper divisors (3982422).

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

2585898 is a wasteful number, since it uses less digits than its factorization.

2585898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6859 (or 6853 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 2585898 is about 1608.0727595479. The cubic root of 2585898 is about 137.2578304828.

The spelling of 2585898 in words is "two million, five hundred eighty-five thousand, eight hundred ninety-eight".