3783967128 has 48 divisors (see below), whose sum is σ = 10416260400. Its totient is φ = 1240643520.

The previous prime is 3783967123. The next prime is 3783967129. The reversal of 3783967128 is 8217693873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3783967123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 426388 + ... + 435171.

It is an arithmetic number, because the mean of its divisors is an integer number (217005425).

Almost surely, 2^3783967128 is an apocalyptic number.

It is an amenable number.

3783967128 is an abundant number, since it is smaller than the sum of its proper divisors (6632293272).

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

3783967128 is a wasteful number, since it uses less digits than its factorization.

3783967128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861632 (or 861625 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 3783967128 is about 61513.9588061116. The cubic root of 3783967128 is about 1558.2929947508.

The spelling of 3783967128 in words is "three billion, seven hundred eighty-three million, nine hundred sixty-seven thousand, one hundred twenty-eight".