2855256 has 32 divisors (see below), whose sum is σ = 7180800. Its totient is φ = 946080.

The previous prime is 2855239. The next prime is 2855257. The reversal of 2855256 is 6525582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6285 + ... + 6723.

It is an arithmetic number, because the mean of its divisors is an integer number (224400).

2^2855256 is an apocalyptic number.

It is an amenable number.

2855256 is an abundant number, since it is smaller than the sum of its proper divisors (4325544).

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

2855256 is a wasteful number, since it uses less digits than its factorization.

2855256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 715 counting only the distinct ones).

The product of its digits is 24000, while the sum is 33.

The square root of 2855256 is about 1689.7502774079. The cubic root of 2855256 is about 141.8670977635.

The spelling of 2855256 in words is "two million, eight hundred fifty-five thousand, two hundred fifty-six".