2584986 has 16 divisors (see below), whose sum is σ = 5474304. Its totient is φ = 810944.

The previous prime is 2584979. The next prime is 2584987. The reversal of 2584986 is 6894852.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁸ + 8⁴ + 4¹⁰ + 9⁵ + 8⁵ + 6⁴ .

It is not an unprimeable number, because it can be changed into a prime (2584987) 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, 12570 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (342144).

2^2584986 is an apocalyptic number.

2584986 is an abundant number, since it is smaller than the sum of its proper divisors (2889318).

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

2584986 is a wasteful number, since it uses less digits than its factorization.

2584986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25365.

The product of its digits is 138240, while the sum is 42.

The square root of 2584986 is about 1607.7891652826. The cubic root of 2584986 is about 137.2416924577.

It can be divided in two parts, 2584 and 986, that added together give a triangular number (3570 = T₈₄).

The spelling of 2584986 in words is "two million, five hundred eighty-four thousand, nine hundred eighty-six".