3976625920 has 72 divisors (see below), whose sum is σ = 9536559984. Its totient is φ = 1588764672.

The previous prime is 3976625911. The next prime is 3976625959. The reversal of 3976625920 is 295266793.

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, 1671772 + ... + 1674148.

It is an arithmetic number, because the mean of its divisors is an integer number (132452222).

Almost surely, 2^3976625920 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 3976625920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4768279992).

3976625920 is an abundant number, since it is smaller than the sum of its proper divisors (5559934064).

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

3976625920 is a wasteful number, since it uses less digits than its factorization.

3976625920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705 (or 3691 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 3976625920 is about 63060.4941306362. The cubic root of 3976625920 is about 1584.3030063468.

The spelling of 3976625920 in words is "three billion, nine hundred seventy-six million, six hundred twenty-five thousand, nine hundred twenty".