2065800 has 96 divisors (see below), whose sum is σ = 7008480. Its totient is φ = 499200.

The previous prime is 2065799. The next prime is 2065801. The reversal of 2065800 is 85602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2065799) and next prime (2065801).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2065801) 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, 6444 + ... + 6756.

It is an arithmetic number, because the mean of its divisors is an integer number (73005).

2^2065800 is an apocalyptic number.

2065800 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 2065800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3504240).

2065800 is an abundant number, since it is smaller than the sum of its proper divisors (4942680).

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

2065800 is a wasteful number, since it uses less digits than its factorization.

2065800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2065800 is about 1437.2891149661. The cubic root of 2065800 is about 127.3589366447.

It can be divided in two parts, 206 and 5800, that added together give a palindrome (6006).

The spelling of 2065800 in words is "two million, sixty-five thousand, eight hundred".