3963238580 has 54 divisors (see below), whose sum is σ = 9686442402. Its totient is φ = 1358148960.

The previous prime is 3963238553. The next prime is 3963238621. The reversal of 3963238580 is 858323693.

It is a happy number.

3963238580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3170590864 + 792647716 = 56308^2 + 28154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1969775 + ... + 1971785.

It is an arithmetic number, because the mean of its divisors is an integer number (179378563).

Almost surely, 2^3963238580 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 3963238580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4843221201).

3963238580 is an abundant number, since it is smaller than the sum of its proper divisors (5723203822).

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

3963238580 is an equidigital number, since it uses as much as digits as its factorization.

3963238580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 3963238580 is about 62954.2578385291. The cubic root of 3963238580 is about 1582.5231516986.

The spelling of 3963238580 in words is "three billion, nine hundred sixty-three million, two hundred thirty-eight thousand, five hundred eighty".