2821802736 has 40 divisors (see below), whose sum is σ = 7389524560. Its totient is φ = 927714816.

The previous prime is 2821802707. The next prime is 2821802833. The reversal of 2821802736 is 6372081282.

It is a junction number, because it is equal to n+sod(n) for n = 2821802694 and 2821802703.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 399151 + ... + 406158.

It is an arithmetic number, because the mean of its divisors is an integer number (184738114).

Almost surely, 2^2821802736 is an apocalyptic number.

It is an amenable number.

2821802736 is an abundant number, since it is smaller than the sum of its proper divisors (4567721824).

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

2821802736 is a wasteful number, since it uses less digits than its factorization.

2821802736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805393 (or 805387 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 2821802736 is about 53120.6432189973. The cubic root of 2821802736 is about 1413.1086345246.

The spelling of 2821802736 in words is "two billion, eight hundred twenty-one million, eight hundred two thousand, seven hundred thirty-six".