2487856 has 40 divisors (see below), whose sum is σ = 5589920. Its totient is φ = 1050624.

The previous prime is 2487833. The next prime is 2487883. The reversal of 2487856 is 6587842.

2487856 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 2 + 4⁹ + 8 + 7⁶ + 8⁷ + 5⁵ + 6⁵ .

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 7 ways as a sum of consecutive naturals, for example, 10750 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (139748).

2^2487856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2487856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2794960).

2487856 is an abundant number, since it is smaller than the sum of its proper divisors (3102064).

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

2487856 is a wasteful number, since it uses less digits than its factorization.

2487856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 335 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 2487856 is about 1577.2938851083. The cubic root of 2487856 is about 135.5007647819.

The spelling of 2487856 in words is "two million, four hundred eighty-seven thousand, eight hundred fifty-six".