3931814216 has 32 divisors (see below), whose sum is σ = 8073686880. Its totient is φ = 1780224000.

The previous prime is 3931814207. The next prime is 3931814233. The reversal of 3931814216 is 6124181393.

3931814216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3931814216.

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, 64310 + ... + 109541.

It is an arithmetic number, because the mean of its divisors is an integer number (252302715).

Almost surely, 2^3931814216 is an apocalyptic number.

It is an amenable number.

3931814216 is an abundant number, since it is smaller than the sum of its proper divisors (4141872664).

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

3931814216 is a wasteful number, since it uses less digits than its factorization.

3931814216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174125 (or 174121 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 3931814216 is about 62704.1802115298. The cubic root of 3931814216 is about 1578.3294601196.

The spelling of 3931814216 in words is "three billion, nine hundred thirty-one million, eight hundred fourteen thousand, two hundred sixteen".