2855862 has 24 divisors (see below), whose sum is σ = 6402240. Its totient is φ = 918960.

The previous prime is 2855857. The next prime is 2855869. The reversal of 2855862 is 2685582.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2214 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (266760).

2^2855862 is an apocalyptic number.

2855862 is an abundant number, since it is smaller than the sum of its proper divisors (3546378).

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

2855862 is a wasteful number, since it uses less digits than its factorization.

2855862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508 (or 5505 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The square root of 2855862 is about 1689.9295843318. The cubic root of 2855862 is about 141.8771336855.

The spelling of 2855862 in words is "two million, eight hundred fifty-five thousand, eight hundred sixty-two".