2587266 has 48 divisors (see below), whose sum is σ = 6233760. Its totient is φ = 768960.

The previous prime is 2587253. The next prime is 2587271. The reversal of 2587266 is 6627852.

2587266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 2¹⁴ + 5⁴ + 8⁶ + 7⁶ + 2²¹ + 6⁶ + 6⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 2587266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14365 + ... + 14543.

It is an arithmetic number, because the mean of its divisors is an integer number (129870).

2^2587266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2587266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3116880).

2587266 is an abundant number, since it is smaller than the sum of its proper divisors (3646494).

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

2587266 is a wasteful number, since it uses less digits than its factorization.

2587266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 268 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 2587266 is about 1608.4980571950. The cubic root of 2587266 is about 137.2820304075.

The spelling of 2587266 in words is "two million, five hundred eighty-seven thousand, two hundred sixty-six".