3930810380 has 108 divisors (see below), whose sum is σ = 10201217040. Its totient is φ = 1268338176.

The previous prime is 3930810311. The next prime is 3930810391. The reversal of 3930810380 is 830180393.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 3930810380.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 276281 + ... + 290159.

Almost surely, 2^3930810380 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 3930810380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5100608520).

3930810380 is an abundant number, since it is smaller than the sum of its proper divisors (6270406660).

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

3930810380 is a wasteful number, since it uses less digits than its factorization.

3930810380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13936 (or 13910 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3930810380 is about 62696.1751624451. The cubic root of 3930810380 is about 1578.1951269847.

The spelling of 3930810380 in words is "three billion, nine hundred thirty million, eight hundred ten thousand, three hundred eighty".