2820300 has 144 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 599040.

The previous prime is 2820271. The next prime is 2820313. The reversal of 2820300 is 30282.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2820300.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35661 + ... + 35739.

It is an arithmetic number, because the mean of its divisors is an integer number (69440).

2^2820300 is an apocalyptic number.

2820300 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 2820300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4999680).

2820300 is an abundant number, since it is smaller than the sum of its proper divisors (7179060).

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

2820300 is a wasteful number, since it uses less digits than its factorization.

2820300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2820300 is about 1679.3748836993. The cubic root of 2820300 is about 141.2857742160.

Adding to 2820300 its reverse (30282), we get a palindrome (2850582).

The spelling of 2820300 in words is "two million, eight hundred twenty thousand, three hundred".