2981115828 has 72 divisors (see below), whose sum is σ = 7643687688. Its totient is φ = 979550208.

The previous prime is 2981115803. The next prime is 2981115847. The reversal of 2981115828 is 8285111892.

2981115828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 460875024 + 2520240804 = 21468^2 + 50202^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783226 + ... + 787022.

It is an arithmetic number, because the mean of its divisors is an integer number (106162329).

Almost surely, 2^2981115828 is an apocalyptic number.

It is an amenable number.

2981115828 is an abundant number, since it is smaller than the sum of its proper divisors (4662571860).

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

2981115828 is a wasteful number, since it uses less digits than its factorization.

2981115828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113 (or 4108 counting only the distinct ones).

The product of its digits is 92160, while the sum is 45.

The square root of 2981115828 is about 54599.5954930071. The cubic root of 2981115828 is about 1439.2170106751.

The spelling of 2981115828 in words is "two billion, nine hundred eighty-one million, one hundred fifteen thousand, eight hundred twenty-eight".