3828128084 has 48 divisors (see below), whose sum is σ = 7371374976. Its totient is φ = 1725091200.

The previous prime is 3828128081. The next prime is 3828128111. The reversal of 3828128084 is 4808218283.

It is a super-2 number, since 2×3828128084² = 29309129255019022112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828128081) 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, 4802774 + ... + 4803570.

It is an arithmetic number, because the mean of its divisors is an integer number (153570312).

Almost surely, 2^3828128084 is an apocalyptic number.

It is an amenable number.

3828128084 is a deficient number, since it is larger than the sum of its proper divisors (3543246892).

3828128084 is a wasteful number, since it uses less digits than its factorization.

3828128084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 44.

The square root of 3828128084 is about 61871.8682763015. The cubic root of 3828128084 is about 1564.3316065025.

The spelling of 3828128084 in words is "three billion, eight hundred twenty-eight million, one hundred twenty-eight thousand, eighty-four".