3916123980 has 96 divisors (see below), whose sum is σ = 11811115008. Its totient is φ = 966662400.

The previous prime is 3916123891. The next prime is 3916124033. The reversal of 3916123980 is 893216193.

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, 2991 + ... + 88550.

It is an arithmetic number, because the mean of its divisors is an integer number (123032448).

Almost surely, 2^3916123980 is an apocalyptic number.

3916123980 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 3916123980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5905557504).

3916123980 is an abundant number, since it is smaller than the sum of its proper divisors (7894991028).

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

3916123980 is a wasteful number, since it uses less digits than its factorization.

3916123980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91607 (or 91605 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 3916123980 is about 62578.9419853037. The cubic root of 3916123980 is about 1576.2271756098.

The spelling of 3916123980 in words is "three billion, nine hundred sixteen million, one hundred twenty-three thousand, nine hundred eighty".