3227981988 has 192 divisors, whose sum is σ = 9704540160. Its totient is φ = 810777600.

The previous prime is 3227981971. The next prime is 3227982047. The reversal of 3227981988 is 8891897223.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5265570 + ... + 5266182.

It is an arithmetic number, because the mean of its divisors is an integer number (50544480).

Almost surely, 2^3227981988 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 3227981988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4852270080).

3227981988 is an abundant number, since it is smaller than the sum of its proper divisors (6476558172).

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

3227981988 is a wasteful number, since it uses less digits than its factorization.

3227981988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 816 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 57.

The square root of 3227981988 is about 56815.3323320387. The cubic root of 3227981988 is about 1477.8954119904.

The spelling of 3227981988 in words is "three billion, two hundred twenty-seven million, nine hundred eighty-one thousand, nine hundred eighty-eight".