2855850 has 48 divisors (see below), whose sum is σ = 7201920. Its totient is φ = 748800.

The previous prime is 2855843. The next prime is 2855851. The reversal of 2855850 is 585582.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2855851) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11730 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (150040).

2^2855850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3600960).

2855850 is an abundant number, since it is smaller than the sum of its proper divisors (4346070).

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

2855850 is a wasteful number, since it uses less digits than its factorization.

2855850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 2855850 is about 1689.9260338843. The cubic root of 2855850 is about 141.8769349681.

The spelling of 2855850 in words is "two million, eight hundred fifty-five thousand, eight hundred fifty".