3988540089 has 16 divisors (see below), whose sum is σ = 5910109440. Its totient is φ = 2658504240.

The previous prime is 3988540043. The next prime is 3988540093. The reversal of 3988540089 is 9800458893.

It is a happy number.

3988540089 is a `hidden beast` number, since 3 + 98 + 8 + 540 + 0 + 8 + 9 = 666.

It is not a de Polignac number, because 3988540089 - 2⁸ = 3988539833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3988540019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166464 + ... + 188910.

It is an arithmetic number, because the mean of its divisors is an integer number (369381840).

Almost surely, 2^3988540089 is an apocalyptic number.

It is an amenable number.

3988540089 is a deficient number, since it is larger than the sum of its proper divisors (1921569351).

3988540089 is a wasteful number, since it uses less digits than its factorization.

3988540089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29037 (or 29031 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 3988540089 is about 63154.8896681801. The cubic root of 3988540089 is about 1585.8836457011.

The spelling of 3988540089 in words is "three billion, nine hundred eighty-eight million, five hundred forty thousand, eighty-nine".