3989559893 has 8 divisors (see below), whose sum is σ = 4395339936. Its totient is φ = 3590962000.

The previous prime is 3989559877. The next prime is 3989559907.

3989559893 is nontrivially palindromic in base 10.

3989559893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3989559893 - 2⁴ = 3989559877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989559853) 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, 1794371 + ... + 1796592.

It is an arithmetic number, because the mean of its divisors is an integer number (549417492).

Almost surely, 2^3989559893 is an apocalyptic number.

It is an amenable number.

3989559893 is a deficient number, since it is larger than the sum of its proper divisors (405780043).

3989559893 is a wasteful number, since it uses less digits than its factorization.

3989559893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591075.

The product of its digits is 94478400, while the sum is 68.

The square root of 3989559893 is about 63162.9629846479. The cubic root of 3989559893 is about 1586.0187956249.

The spelling of 3989559893 in words is "three billion, nine hundred eighty-nine million, five hundred fifty-nine thousand, eight hundred ninety-three".