3965816472 has 32 divisors (see below), whose sum is σ = 9934440000. Its totient is φ = 1319285664.

The previous prime is 3965816447. The next prime is 3965816501. The reversal of 3965816472 is 2746185693.

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, 153598 + ... + 177549.

It is an arithmetic number, because the mean of its divisors is an integer number (310451250).

Almost surely, 2^3965816472 is an apocalyptic number.

It is an amenable number.

3965816472 is an abundant number, since it is smaller than the sum of its proper divisors (5968623528).

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

3965816472 is a wasteful number, since it uses less digits than its factorization.

3965816472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331655 (or 331651 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 3965816472 is about 62974.7288362562. The cubic root of 3965816472 is about 1582.8661951876.

The spelling of 3965816472 in words is "three billion, nine hundred sixty-five million, eight hundred sixteen thousand, four hundred seventy-two".