3931192968 has 16 divisors (see below), whose sum is σ = 9827982480. Its totient is φ = 1310397648.

The previous prime is 3931192963. The next prime is 3931192997. The reversal of 3931192968 is 8692911393.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3931192968.

It is not an unprimeable number, because it can be changed into a prime (3931192963) 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, 81899830 + ... + 81899877.

It is an arithmetic number, because the mean of its divisors is an integer number (614248905).

Almost surely, 2^3931192968 is an apocalyptic number.

It is an amenable number.

3931192968 is an abundant number, since it is smaller than the sum of its proper divisors (5896789512).

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

3931192968 is a wasteful number, since it uses less digits than its factorization.

3931192968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163799716 (or 163799712 counting only the distinct ones).

The product of its digits is 629856, while the sum is 51.

The square root of 3931192968 is about 62699.2262153210. The cubic root of 3931192968 is about 1578.2463275320.

The spelling of 3931192968 in words is "three billion, nine hundred thirty-one million, one hundred ninety-two thousand, nine hundred sixty-eight".