2981786884 has 12 divisors (see below), whose sum is σ = 5445002304. Its totient is φ = 1426071944.

The previous prime is 2981786881. The next prime is 2981786897. The reversal of 2981786884 is 4886871892.

It is not an unprimeable number, because it can be changed into a prime (2981786881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16205272 + ... + 16205455.

It is an arithmetic number, because the mean of its divisors is an integer number (453750192).

Almost surely, 2^2981786884 is an apocalyptic number.

It is an amenable number.

2981786884 is a deficient number, since it is larger than the sum of its proper divisors (2463215420).

2981786884 is a wasteful number, since it uses less digits than its factorization.

2981786884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32410754 (or 32410752 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 61.

The square root of 2981786884 is about 54605.7403942113. The cubic root of 2981786884 is about 1439.3249929215.

The spelling of 2981786884 in words is "two billion, nine hundred eighty-one million, seven hundred eighty-six thousand, eight hundred eighty-four".