3988509744 has 80 divisors (see below), whose sum is σ = 10429368192. Its totient is φ = 1313355264.

The previous prime is 3988509739. The next prime is 3988509761. The reversal of 3988509744 is 4479058893.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274372 + ... + 2276124.

Almost surely, 2^3988509744 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 3988509744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5214684096).

3988509744 is an abundant number, since it is smaller than the sum of its proper divisors (6440858448).

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

3988509744 is a wasteful number, since it uses less digits than its factorization.

3988509744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 57.

The square root of 3988509744 is about 63154.6494250423. The cubic root of 3988509744 is about 1585.8796238652.

The spelling of 3988509744 in words is "three billion, nine hundred eighty-eight million, five hundred nine thousand, seven hundred forty-four".