9896139832 has 8 divisors (see below), whose sum is σ = 18555262200. Its totient is φ = 4948069912.

The previous prime is 9896139817. The next prime is 9896139839. The reversal of 9896139832 is 2389316989.

9896139832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9896139839) by changing a digit.

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, 618508732 + ... + 618508747.

It is an arithmetic number, because the mean of its divisors is an integer number (2319407775).

Almost surely, 2^9896139832 is an apocalyptic number.

It is an amenable number.

9896139832 is a deficient number, since it is larger than the sum of its proper divisors (8659122368).

9896139832 is a wasteful number, since it uses less digits than its factorization.

9896139832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237017485 (or 1237017481 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 58.

The square root of 9896139832 is about 99479.3437453223. The cubic root of 9896139832 is about 2146.9500530979.

The spelling of 9896139832 in words is "nine billion, eight hundred ninety-six million, one hundred thirty-nine thousand, eight hundred thirty-two".