3963539772 has 18 divisors (see below), whose sum is σ = 10018947848. Its totient is φ = 1321179912.

The previous prime is 3963539761. The next prime is 3963539773. The reversal of 3963539772 is 2779353693.

3963539772 is a `hidden beast` number, since 39 + 6 + 3 + 539 + 7 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3963539773) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55049128 + ... + 55049199.

Almost surely, 2^3963539772 is an apocalyptic number.

It is an amenable number.

3963539772 is an abundant number, since it is smaller than the sum of its proper divisors (6055408076).

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

3963539772 is a wasteful number, since it uses less digits than its factorization.

3963539772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110098337 (or 110098332 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 54.

The square root of 3963539772 is about 62956.6499426391. The cubic root of 3963539772 is about 1582.5632393886.

The spelling of 3963539772 in words is "three billion, nine hundred sixty-three million, five hundred thirty-nine thousand, seven hundred seventy-two".