3971880308 has 24 divisors (see below), whose sum is σ = 7981770720. Its totient is φ = 1710378720.

The previous prime is 3971880233. The next prime is 3971880317. The reversal of 3971880308 is 8030881793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374691 + ... + 2376362.

It is an arithmetic number, because the mean of its divisors is an integer number (332573780).

Almost surely, 2^3971880308 is an apocalyptic number.

3971880308 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3971880308 is an abundant number, since it is smaller than the sum of its proper divisors (4009890412).

3971880308 is a wasteful number, since it uses less digits than its factorization.

3971880308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751087 (or 4751085 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 3971880308 is about 63022.8554414984. The cubic root of 3971880308 is about 1583.6725321467.

The spelling of 3971880308 in words is "three billion, nine hundred seventy-one million, eight hundred eighty thousand, three hundred eight".