9803801128 has 32 divisors (see below), whose sum is σ = 21232834560. Its totient is φ = 4194138880.

The previous prime is 9803801123. The next prime is 9803801131. The reversal of 9803801128 is 8211083089.

It is a super-2 number, since 2×9803801128² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9803801123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275176 + ... + 3278167.

It is an arithmetic number, because the mean of its divisors is an integer number (663526080).

Almost surely, 2^9803801128 is an apocalyptic number.

It is an amenable number.

9803801128 is an abundant number, since it is smaller than the sum of its proper divisors (11429033432).

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

9803801128 is a wasteful number, since it uses less digits than its factorization.

9803801128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553377 (or 6553373 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 9803801128 is about 99014.1461004436. The cubic root of 9803801128 is about 2140.2516028745.

The spelling of 9803801128 in words is "nine billion, eight hundred three million, eight hundred one thousand, one hundred twenty-eight".