3996985088 has 72 divisors (see below), whose sum is σ = 8477122080. Its totient is φ = 1877299200.

The previous prime is 3996985087. The next prime is 3996985127. The reversal of 3996985088 is 8805896993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3996985087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267413 + ... + 281963.

Almost surely, 2^3996985088 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 3996985088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4238561040).

3996985088 is an abundant number, since it is smaller than the sum of its proper divisors (4480136992).

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

3996985088 is a wasteful number, since it uses less digits than its factorization.

3996985088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14633 (or 14619 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 65.

The square root of 3996985088 is about 63221.7137382403. The cubic root of 3996985088 is about 1587.0021288515.

The spelling of 3996985088 in words is "three billion, nine hundred ninety-six million, nine hundred eighty-five thousand, eighty-eight".