3889859128 has 8 divisors (see below), whose sum is σ = 7293485880. Its totient is φ = 1944929560.

The previous prime is 3889859081. The next prime is 3889859209. The reversal of 3889859128 is 8219589883.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243116188 + ... + 243116203.

It is an arithmetic number, because the mean of its divisors is an integer number (911685735).

Almost surely, 2^3889859128 is an apocalyptic number.

It is an amenable number.

3889859128 is a deficient number, since it is larger than the sum of its proper divisors (3403626752).

3889859128 is a wasteful number, since it uses less digits than its factorization.

3889859128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486232397 (or 486232393 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 61.

The square root of 3889859128 is about 62368.7351803770. The cubic root of 3889859128 is about 1572.6954289799.

The spelling of 3889859128 in words is "three billion, eight hundred eighty-nine million, eight hundred fifty-nine thousand, one hundred twenty-eight".