3989853560 has 256 divisors, whose sum is σ = 11619901440. Its totient is φ = 1196881920.

The previous prime is 3989853559. The next prime is 3989853587. The reversal of 3989853560 is 653589893.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 3989853496 and 3989853505.

It is a congruent number.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 17891609 + ... + 17891831.

It is an arithmetic number, because the mean of its divisors is an integer number (45390240).

Almost surely, 2^3989853560 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 3989853560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809950720).

3989853560 is an abundant number, since it is smaller than the sum of its proper divisors (7630047880).

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

3989853560 is a wasteful number, since it uses less digits than its factorization.

3989853560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 56.

The square root of 3989853560 is about 63165.2876190713. The cubic root of 3989853560 is about 1586.0577096878.

The spelling of 3989853560 in words is "three billion, nine hundred eighty-nine million, eight hundred fifty-three thousand, five hundred sixty".