2981386716 has 96 divisors (see below), whose sum is σ = 8685035520. Its totient is φ = 773323200.

The previous prime is 2981386711. The next prime is 2981386721. The reversal of 2981386716 is 6176831892.

It is an interprime number because it is at equal distance from previous prime (2981386711) and next prime (2981386721).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2981386711) 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 31 ways as a sum of consecutive naturals, for example, 847401 + ... + 850911.

It is an arithmetic number, because the mean of its divisors is an integer number (90469120).

Almost surely, 2^2981386716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2981386716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4342517760).

2981386716 is an abundant number, since it is smaller than the sum of its proper divisors (5703648804).

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

2981386716 is a wasteful number, since it uses less digits than its factorization.

2981386716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455 (or 4453 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 2981386716 is about 54602.0761143750. The cubic root of 2981386716 is about 1439.2606022732.

The spelling of 2981386716 in words is "two billion, nine hundred eighty-one million, three hundred eighty-six thousand, seven hundred sixteen".