2825856 has 96 divisors (see below), whose sum is σ = 8910720. Its totient is φ = 852480.

The previous prime is 2825833. The next prime is 2825857. The reversal of 2825856 is 6585282.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2825856.

It is not an unprimeable number, because it can be changed into a prime (2825857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12561 + ... + 12783.

It is an arithmetic number, because the mean of its divisors is an integer number (92820).

2^2825856 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 2825856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4455360).

2825856 is an abundant number, since it is smaller than the sum of its proper divisors (6084864).

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

2825856 is a wasteful number, since it uses less digits than its factorization.

2825856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 239 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2825856 is about 1681.0282567524. The cubic root of 2825856 is about 141.3784911670.

The spelling of 2825856 in words is "two million, eight hundred twenty-five thousand, eight hundred fifty-six".