2085800 has 24 divisors (see below), whose sum is σ = 4849950. Its totient is φ = 834240.

The previous prime is 2085799. The next prime is 2085803. The reversal of 2085800 is 85802.

It can be written as a sum of positive squares in 3 ways, for example, as 2010724 + 75076 = 1418^2 + 274^2 .

It is a hoax number, since the sum of its digits (23) 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 (2085803) 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 5 ways as a sum of consecutive naturals, for example, 5015 + ... + 5414.

2^2085800 is an apocalyptic number.

2085800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2085800 is an abundant number, since it is smaller than the sum of its proper divisors (2764150).

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

2085800 is a wasteful number, since it uses less digits than its factorization.

2085800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10445 (or 10436 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 2085800 is about 1444.2298985965. The cubic root of 2085800 is about 127.7686249833.

The spelling of 2085800 in words is "two million, eighty-five thousand, eight hundred".