3930997115 has 16 divisors (see below), whose sum is σ = 4972885920. Its totient is φ = 2974832640.

The previous prime is 3930997097. The next prime is 3930997117. The reversal of 3930997115 is 5117990393.

3930997115 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3930997115 - 2⁶ = 3930997051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3930997115.

It is not an unprimeable number, because it can be changed into a prime (3930997117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33755 + ... + 94875.

It is an arithmetic number, because the mean of its divisors is an integer number (310805370).

Almost surely, 2^3930997115 is an apocalyptic number.

3930997115 is a deficient number, since it is larger than the sum of its proper divisors (1041888805).

3930997115 is a wasteful number, since it uses less digits than its factorization.

3930997115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61822.

The product of its (nonzero) digits is 229635, while the sum is 47.

The square root of 3930997115 is about 62697.6643504365. The cubic root of 3930997115 is about 1578.2201175568.

The spelling of 3930997115 in words is "three billion, nine hundred thirty million, nine hundred ninety-seven thousand, one hundred fifteen".