2185000 has 80 divisors (see below), whose sum is σ = 5623200. Its totient is φ = 792000.

The previous prime is 2184997. The next prime is 2185009. The reversal of 2185000 is 5812.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2185009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 94989 + ... + 95011.

It is an arithmetic number, because the mean of its divisors is an integer number (70290).

2^2185000 is an apocalyptic number.

2185000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2185000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2811600).

2185000 is an abundant number, since it is smaller than the sum of its proper divisors (3438200).

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

2185000 is a wasteful number, since it uses less digits than its factorization.

2185000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2185000 is about 1478.1745499094. The cubic root of 2185000 is about 129.7628813705.

The spelling of 2185000 in words is "two million, one hundred eighty-five thousand".