3971408260 has 12 divisors (see below), whose sum is σ = 8339957388. Its totient is φ = 1588563296.

The previous prime is 3971408257. The next prime is 3971408261. The reversal of 3971408260 is 628041793.

3971408260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 826217536 + 3145190724 = 28744^2 + 56082^2 .

It is not an unprimeable number, because it can be changed into a prime (3971408261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99285187 + ... + 99285226.

It is an arithmetic number, because the mean of its divisors is an integer number (694996449).

Almost surely, 2^3971408260 is an apocalyptic number.

It is an amenable number.

3971408260 is an abundant number, since it is smaller than the sum of its proper divisors (4368549128).

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

3971408260 is a wasteful number, since it uses less digits than its factorization.

3971408260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198570422 (or 198570420 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3971408260 is about 63019.1102761694. The cubic root of 3971408260 is about 1583.6097911600.

The spelling of 3971408260 in words is "three billion, nine hundred seventy-one million, four hundred eight thousand, two hundred sixty".