3930548820 has 96 divisors (see below), whose sum is σ = 12025238400. Its totient is φ = 951336960.

The previous prime is 3930548819. The next prime is 3930548833. The reversal of 3930548820 is 288450393.

3930548820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439756 + ... + 448604.

It is an arithmetic number, because the mean of its divisors is an integer number (125262900).

Almost surely, 2^3930548820 is an apocalyptic number.

3930548820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3930548820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6012619200).

3930548820 is an abundant number, since it is smaller than the sum of its proper divisors (8094689580).

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

3930548820 is a wasteful number, since it uses less digits than its factorization.

3930548820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545 (or 9543 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 3930548820 is about 62694.0891950748. The cubic root of 3930548820 is about 1578.1601213214.

The spelling of 3930548820 in words is "three billion, nine hundred thirty million, five hundred forty-eight thousand, eight hundred twenty".