2850856 has 16 divisors (see below), whose sum is σ = 5365440. Its totient is φ = 1420080.

The previous prime is 2850851. The next prime is 2850871. The reversal of 2850856 is 6580582.

It is not an unprimeable number, because it can be changed into a prime (2850851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2451 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (335340).

2^2850856 is an apocalyptic number.

It is an amenable number.

2850856 is a deficient number, since it is larger than the sum of its proper divisors (2514584).

2850856 is a wasteful number, since it uses less digits than its factorization.

2850856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2850856 is about 1688.4478078993. The cubic root of 2850856 is about 141.7941870627.

The spelling of 2850856 in words is "two million, eight hundred fifty thousand, eight hundred fifty-six".