3928349783256 has 32 divisors (see below), whose sum is σ = 9820929773760. Its totient is φ = 1309442552352.

The previous prime is 3928349783161. The next prime is 3928349783257. The reversal of 3928349783256 is 6523879438293.

3928349783256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3928349783256³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928349783257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5420091 + ... + 6101973.

It is an arithmetic number, because the mean of its divisors is an integer number (306904055430).

Almost surely, 2^{3928349783256} is an apocalyptic number.

It is an amenable number.

3928349783256 is an abundant number, since it is smaller than the sum of its proper divisors (5892579990504).

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

3928349783256 is a wasteful number, since it uses less digits than its factorization.

3928349783256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921935 (or 921931 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 69.

The spelling of 3928349783256 in words is "three trillion, nine hundred twenty-eight billion, three hundred forty-nine million, seven hundred eighty-three thousand, two hundred fifty-six".