2820936208 has 20 divisors (see below), whose sum is σ = 5787068220. Its totient is φ = 1327499264.

The previous prime is 2820936197. The next prime is 2820936229. The reversal of 2820936208 is 8026390282.

It can be written as a sum of positive squares in 2 ways, for example, as 1253726464 + 1567209744 = 35408^2 + 39588^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185273 + ... + 5185816.

It is an arithmetic number, because the mean of its divisors is an integer number (289353411).

Almost surely, 2^2820936208 is an apocalyptic number.

It is an amenable number.

2820936208 is an abundant number, since it is smaller than the sum of its proper divisors (2966132012).

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

2820936208 is a wasteful number, since it uses less digits than its factorization.

2820936208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10371114 (or 10371108 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 2820936208 is about 53112.4863662021. The cubic root of 2820936208 is about 1412.9639724444.

The spelling of 2820936208 in words is "two billion, eight hundred twenty million, nine hundred thirty-six thousand, two hundred eight".