3853643928 has 64 divisors (see below), whose sum is σ = 10266946560. Its totient is φ = 1202547456.

The previous prime is 3853643909. The next prime is 3853643933. The reversal of 3853643928 is 8293463583.

3853643928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3853643928² = 29701143047622538368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48325 + ... + 100212.

It is an arithmetic number, because the mean of its divisors is an integer number (160421040).

Almost surely, 2^3853643928 is an apocalyptic number.

It is an amenable number.

3853643928 is an abundant number, since it is smaller than the sum of its proper divisors (6413302632).

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

3853643928 is a wasteful number, since it uses less digits than its factorization.

3853643928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148616 (or 148612 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The square root of 3853643928 is about 62077.7248938780. The cubic root of 3853643928 is about 1567.7995229512.

The spelling of 3853643928 in words is "three billion, eight hundred fifty-three million, six hundred forty-three thousand, nine hundred twenty-eight".