2856522 has 8 divisors (see below), whose sum is σ = 5713056. Its totient is φ = 952172.

The previous prime is 2856521. The next prime is 2856547. The reversal of 2856522 is 2256582.

2856522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2856522 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2856522.

It is not an unprimeable number, because it can be changed into a prime (2856521) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 238038 + ... + 238049.

It is an arithmetic number, because the mean of its divisors is an integer number (714132).

2^2856522 is an apocalyptic number.

2856522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2856522 is a wasteful number, since it uses less digits than its factorization.

2856522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476092.

The product of its digits is 9600, while the sum is 30.

The square root of 2856522 is about 1690.1248474595. The cubic root of 2856522 is about 141.8880622826. Note that the first 3 decimals are identical.

The spelling of 2856522 in words is "two million, eight hundred fifty-six thousand, five hundred twenty-two".