2087586 has 32 divisors (see below), whose sum is σ = 4716480. Its totient is φ = 684288.

The previous prime is 2087563. The next prime is 2087593. The reversal of 2087586 is 6857802.

It is a self number, because there is not a number n which added to its sum of digits gives 2087586.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 3906.

It is an arithmetic number, because the mean of its divisors is an integer number (147390).

2^2087586 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2087586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358240).

2087586 is an abundant number, since it is smaller than the sum of its proper divisors (2628894).

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

2087586 is a wasteful number, since it uses less digits than its factorization.

2087586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2087586 is about 1444.8480889007. The cubic root of 2087586 is about 127.8050825636.

The spelling of 2087586 in words is "two million, eighty-seven thousand, five hundred eighty-six".