2985806980 has 24 divisors (see below), whose sum is σ = 6752517912. Its totient is φ = 1102451712.

The previous prime is 2985806909. The next prime is 2985806981. The reversal of 2985806980 is 896085892.

It can be written as a sum of positive squares in 4 ways, for example, as 680270724 + 2305536256 = 26082^2 + 48016^2 .

It is not an unprimeable number, because it can be changed into a prime (2985806981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5741677 + ... + 5742196.

It is an arithmetic number, because the mean of its divisors is an integer number (281354913).

Almost surely, 2^2985806980 is an apocalyptic number.

2985806980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2985806980 is an abundant number, since it is smaller than the sum of its proper divisors (3766710932).

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

2985806980 is a wasteful number, since it uses less digits than its factorization.

2985806980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11483895 (or 11483893 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 55.

The square root of 2985806980 is about 54642.5381914127. The cubic root of 2985806980 is about 1439.9715432905.

The spelling of 2985806980 in words is "two billion, nine hundred eighty-five million, eight hundred six thousand, nine hundred eighty".