2820683412 has 60 divisors (see below), whose sum is σ = 7392734580. Its totient is φ = 937816704.

The previous prime is 2820683381. The next prime is 2820683423. The reversal of 2820683412 is 2143860282.

It can be written as a sum of positive squares in 2 ways, for example, as 2507605776 + 313077636 = 50076^2 + 17694^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 117664 + ... + 139592.

It is an arithmetic number, because the mean of its divisors is an integer number (123212243).

Almost surely, 2^2820683412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2820683412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3696367290).

2820683412 is an abundant number, since it is smaller than the sum of its proper divisors (4572051168).

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

2820683412 is a wasteful number, since it uses less digits than its factorization.

2820683412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22342 (or 22331 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 2820683412 is about 53110.1064958450. The cubic root of 2820683412 is about 1412.9217639618.

The spelling of 2820683412 in words is "two billion, eight hundred twenty million, six hundred eighty-three thousand, four hundred twelve".