3988848609 has 6 divisors (see below), whose sum is σ = 5761670226. Its totient is φ = 2659232400.

The previous prime is 3988848583. The next prime is 3988848629. The reversal of 3988848609 is 9068488893.

It can be written as a sum of positive squares in only one way, i.e., 3319488225 + 669360384 = 57615^2 + 25872^2 .

It is not a de Polignac number, because 3988848609 - 2⁷ = 3988848481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3988848629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221602692 + ... + 221602709.

It is an arithmetic number, because the mean of its divisors is an integer number (960278371).

Almost surely, 2^3988848609 is an apocalyptic number.

It is an amenable number.

3988848609 is a deficient number, since it is larger than the sum of its proper divisors (1772821617).

3988848609 is a wasteful number, since it uses less digits than its factorization.

3988848609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443205407 (or 443205404 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The square root of 3988848609 is about 63157.3321871657. The cubic root of 3988848609 is about 1585.9245348650.

The spelling of 3988848609 in words is "three billion, nine hundred eighty-eight million, eight hundred forty-eight thousand, six hundred nine".