3128389232 has 20 divisors (see below), whose sum is σ = 6417799056. Its totient is φ = 1472183040.

The previous prime is 3128389207. The next prime is 3128389241. The reversal of 3128389232 is 2329838213.

It is a self number, because there is not a number n which added to its sum of digits gives 3128389232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5750444 + ... + 5750987.

Almost surely, 2^3128389232 is an apocalyptic number.

It is an amenable number.

3128389232 is an abundant number, since it is smaller than the sum of its proper divisors (3289409824).

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

3128389232 is a wasteful number, since it uses less digits than its factorization.

3128389232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11501456 (or 11501450 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 3128389232 is about 55932.0054351710. The cubic root of 3128389232 is about 1462.5372207831.

The spelling of 3128389232 in words is "three billion, one hundred twenty-eight million, three hundred eighty-nine thousand, two hundred thirty-two".