2855712 has 48 divisors (see below), whose sum is σ = 7584192. Its totient is φ = 940800.

The previous prime is 2855707. The next prime is 2855729. The reversal of 2855712 is 2175582.

It is a tau number, because it is divible by the number of its divisors (48).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2855712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14398 + ... + 14594.

It is an arithmetic number, because the mean of its divisors is an integer number (158004).

2^2855712 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 2855712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3792096).

2855712 is an abundant number, since it is smaller than the sum of its proper divisors (4728480).

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

2855712 is a wasteful number, since it uses less digits than its factorization.

2855712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 353 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2855712 is about 1689.8852032017. The cubic root of 2855712 is about 141.8746496786.

The spelling of 2855712 in words is "two million, eight hundred fifty-five thousand, seven hundred twelve".