2988689312 has 72 divisors (see below), whose sum is σ = 6792853536. Its totient is φ = 1267985664.

The previous prime is 2988689257. The next prime is 2988689317. The reversal of 2988689312 is 2139868892.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (2988689317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2660783 + ... + 2661905.

It is an arithmetic number, because the mean of its divisors is an integer number (94345188).

Almost surely, 2^2988689312 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 2988689312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396426768).

2988689312 is an abundant number, since it is smaller than the sum of its proper divisors (3804164224).

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

2988689312 is a wasteful number, since it uses less digits than its factorization.

2988689312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1241 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The square root of 2988689312 is about 54668.9062630669. The cubic root of 2988689312 is about 1440.4347504185.

The spelling of 2988689312 in words is "two billion, nine hundred eighty-eight million, six hundred eighty-nine thousand, three hundred twelve".