3973895736 has 32 divisors (see below), whose sum is σ = 10031199360. Its totient is φ = 1311770592.

The previous prime is 3973895701. The next prime is 3973895753. The reversal of 3973895736 is 6375983793.

It is a self number, because there is not a number n which added to its sum of digits gives 3973895736.

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, 801310 + ... + 806253.

It is an arithmetic number, because the mean of its divisors is an integer number (313474980).

Almost surely, 2^3973895736 is an apocalyptic number.

It is an amenable number.

3973895736 is an abundant number, since it is smaller than the sum of its proper divisors (6057303624).

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

3973895736 is a wasteful number, since it uses less digits than its factorization.

3973895736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607675 (or 1607671 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 60.

The square root of 3973895736 is about 63038.8430731402. The cubic root of 3973895736 is about 1583.9403514167.

The spelling of 3973895736 in words is "three billion, nine hundred seventy-three million, eight hundred ninety-five thousand, seven hundred thirty-six".