3938067980 has 96 divisors (see below), whose sum is σ = 10331338752. Its totient is φ = 1224979200.

The previous prime is 3938067977. The next prime is 3938067989. The reversal of 3938067980 is 897608393.

It is not an unprimeable number, because it can be changed into a prime (3938067989) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 855485 + ... + 860075.

It is an arithmetic number, because the mean of its divisors is an integer number (107618112).

Almost surely, 2^3938067980 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 3938067980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5165669376).

3938067980 is an abundant number, since it is smaller than the sum of its proper divisors (6393270772).

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

3938067980 is a wasteful number, since it uses less digits than its factorization.

3938067980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5173 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 3938067980 is about 62754.0275998282. The cubic root of 3938067980 is about 1579.1658230847.

The spelling of 3938067980 in words is "three billion, nine hundred thirty-eight million, sixty-seven thousand, nine hundred eighty".