8994349128 has 32 divisors (see below), whose sum is σ = 22623832800. Its totient is φ = 2979721728.

The previous prime is 8994349127. The next prime is 8994349141. The reversal of 8994349128 is 8219434998.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8994349121) 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, 1145673 + ... + 1153496.

It is an arithmetic number, because the mean of its divisors is an integer number (706994775).

Almost surely, 2^8994349128 is an apocalyptic number.

It is an amenable number.

8994349128 is an abundant number, since it is smaller than the sum of its proper divisors (13629483672).

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

8994349128 is a wasteful number, since it uses less digits than its factorization.

8994349128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299341 (or 2299337 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 57.

The square root of 8994349128 is about 94838.5424181540. The cubic root of 8994349128 is about 2079.6483879273.

The spelling of 8994349128 in words is "eight billion, nine hundred ninety-four million, three hundred forty-nine thousand, one hundred twenty-eight".