2855250 has 96 divisors (see below), whose sum is σ = 8176896. Its totient is φ = 745200.

The previous prime is 2855239. The next prime is 2855257. The reversal of 2855250 is 525582.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2855257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60727 + ... + 60773.

It is an arithmetic number, because the mean of its divisors is an integer number (85176).

2^2855250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4088448).

2855250 is an abundant number, since it is smaller than the sum of its proper divisors (5321646).

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

2855250 is an equidigital number, since it uses as much as digits as its factorization.

2855250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2855250 is about 1689.7485019967. The cubic root of 2855250 is about 141.8669983908.

It can be divided in two parts, 28 and 55250, that added together give a triangular number (55278 = T₃₃₂).

The spelling of 2855250 in words is "two million, eight hundred fifty-five thousand, two hundred fifty".