3989105010 has 144 divisors (see below), whose sum is σ = 11823372288. Its totient is φ = 966984480.

The previous prime is 3989105009. The next prime is 3989105039. The reversal of 3989105010 is 105019893.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 287247 + ... + 300813.

It is an arithmetic number, because the mean of its divisors is an integer number (82106752).

Almost surely, 2^3989105010 is an apocalyptic number.

3989105010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3989105010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5911686144).

3989105010 is an abundant number, since it is smaller than the sum of its proper divisors (7834267278).

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

3989105010 is a wasteful number, since it uses less digits than its factorization.

3989105010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611 (or 13588 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 3989105010 is about 63159.3620138772. The cubic root of 3989105010 is about 1585.9585149232.

The spelling of 3989105010 in words is "three billion, nine hundred eighty-nine million, one hundred five thousand, ten".