3925879940 has 24 divisors (see below), whose sum is σ = 8678261760. Its totient is φ = 1487701728.

The previous prime is 3925879891. The next prime is 3925879961. The reversal of 3925879940 is 499785293.

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, 5165252 + ... + 5166011.

It is an arithmetic number, because the mean of its divisors is an integer number (361594240).

Almost surely, 2^3925879940 is an apocalyptic number.

It is an amenable number.

3925879940 is an abundant number, since it is smaller than the sum of its proper divisors (4752381820).

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

3925879940 is a wasteful number, since it uses less digits than its factorization.

3925879940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10331291 (or 10331289 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 3925879940 is about 62656.8427228822. The cubic root of 3925879940 is about 1577.5350042422.

The spelling of 3925879940 in words is "three billion, nine hundred twenty-five million, eight hundred seventy-nine thousand, nine hundred forty".