2820973916 has 12 divisors (see below), whose sum is σ = 4939476360. Its totient is φ = 1409694960.

The previous prime is 2820973907. The next prime is 2820973921. The reversal of 2820973916 is 6193790282.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 189950 + ... + 204261.

It is an arithmetic number, because the mean of its divisors is an integer number (411623030).

Almost surely, 2^2820973916 is an apocalyptic number.

It is an amenable number.

2820973916 is a deficient number, since it is larger than the sum of its proper divisors (2118502444).

2820973916 is a wasteful number, since it uses less digits than its factorization.

2820973916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396004 (or 396002 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 2820973916 is about 53112.8413474557. The cubic root of 2820973916 is about 1412.9702682039.

The spelling of 2820973916 in words is "two billion, eight hundred twenty million, nine hundred seventy-three thousand, nine hundred sixteen".