3928935808 has 128 divisors (see below), whose sum is σ = 9450846720. Its totient is φ = 1590521856.

The previous prime is 3928935797. The next prime is 3928935809. The reversal of 3928935808 is 8085398293.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×3928935808² = 30873073166769225728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928935809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1709316 + ... + 1711612.

It is an arithmetic number, because the mean of its divisors is an integer number (73834740).

Almost surely, 2^3928935808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3928935808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725423360).

3928935808 is an abundant number, since it is smaller than the sum of its proper divisors (5521910912).

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

3928935808 is a wasteful number, since it uses less digits than its factorization.

3928935808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424 (or 2412 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The square root of 3928935808 is about 62681.2237276842. The cubic root of 3928935808 is about 1577.9442108869.

The spelling of 3928935808 in words is "three billion, nine hundred twenty-eight million, nine hundred thirty-five thousand, eight hundred eight".