3947486352 has 20 divisors (see below), whose sum is σ = 10197673200. Its totient is φ = 1315828768.

The previous prime is 3947486311. The next prime is 3947486357. The reversal of 3947486352 is 2536847493.

3947486352 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3947486295 and 3947486304.

It is not an unprimeable number, because it can be changed into a prime (3947486357) 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, 41119602 + ... + 41119697.

It is an arithmetic number, because the mean of its divisors is an integer number (509883660).

Almost surely, 2^3947486352 is an apocalyptic number.

It is an amenable number.

3947486352 is an abundant number, since it is smaller than the sum of its proper divisors (6250186848).

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

3947486352 is a wasteful number, since it uses less digits than its factorization.

3947486352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82239310 (or 82239304 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 51.

The square root of 3947486352 is about 62829.0247576707. The cubic root of 3947486352 is about 1580.4237436329.

The spelling of 3947486352 in words is "three billion, nine hundred forty-seven million, four hundred eighty-six thousand, three hundred fifty-two".