2855966 has 16 divisors (see below), whose sum is σ = 4775760. Its totient is φ = 1272960.

The previous prime is 2855953. The next prime is 2855989. The reversal of 2855966 is 6695582.

2855966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 2856.

It is an arithmetic number, because the mean of its divisors is an integer number (298485).

2^2855966 is an apocalyptic number.

2855966 is a deficient number, since it is larger than the sum of its proper divisors (1919794).

2855966 is a wasteful number, since it uses less digits than its factorization.

2855966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459.

The product of its digits is 129600, while the sum is 41.

The square root of 2855966 is about 1689.9603545646. The cubic root of 2855966 is about 141.8788558792.

The spelling of 2855966 in words is "two million, eight hundred fifty-five thousand, nine hundred sixty-six".