3989887588 has 6 divisors (see below), whose sum is σ = 6982303286. Its totient is φ = 1994943792.

The previous prime is 3989887549. The next prime is 3989887589. The reversal of 3989887588 is 8857889893.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2229917284 + 1759970304 = 47222^2 + 41952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3989887588.

It is not an unprimeable number, because it can be changed into a prime (3989887589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498735945 + ... + 498735952.

Almost surely, 2^3989887588 is an apocalyptic number.

It is an amenable number.

3989887588 is a deficient number, since it is larger than the sum of its proper divisors (2992415698).

3989887588 is a wasteful number, since it uses less digits than its factorization.

3989887588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997471901 (or 997471899 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 73.

The square root of 3989887588 is about 63165.5569753010. The cubic root of 3989887588 is about 1586.0622186435.

The spelling of 3989887588 in words is "three billion, nine hundred eighty-nine million, eight hundred eighty-seven thousand, five hundred eighty-eight".