3928668293 has 12 divisors (see below), whose sum is σ = 4319899584. Its totient is φ = 3570184200.

The previous prime is 3928668281. The next prime is 3928668319.

3928668293 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-3928668293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928638293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480308 + ... + 488418.

It is an arithmetic number, because the mean of its divisors is an integer number (359991632).

Almost surely, 2^3928668293 is an apocalyptic number.

It is an amenable number.

3928668293 is a deficient number, since it is larger than the sum of its proper divisors (391231291).

3928668293 is a wasteful number, since it uses less digits than its factorization.

3928668293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12136 (or 12125 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 56.

The square root of 3928668293 is about 62679.0897588662. The cubic root of 3928668293 is about 1577.9083968355.

The spelling of 3928668293 in words is "three billion, nine hundred twenty-eight million, six hundred sixty-eight thousand, two hundred ninety-three".