8938633986 has 24 divisors (see below), whose sum is σ = 20084339184. Its totient is φ = 2979544500.

The previous prime is 8938633973. The next prime is 8938634039. The reversal of 8938633986 is 6893368398.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9195640 + ... + 9196611.

It is an arithmetic number, because the mean of its divisors is an integer number (836847466).

Almost surely, 2^8938633986 is an apocalyptic number.

8938633986 is an abundant number, since it is smaller than the sum of its proper divisors (11145705198).

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

8938633986 is a wasteful number, since it uses less digits than its factorization.

8938633986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18392268 (or 18392256 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The square root of 8938633986 is about 94544.3493076133. The cubic root of 8938633986 is about 2075.3453906885.

The spelling of 8938633986 in words is "eight billion, nine hundred thirty-eight million, six hundred thirty-three thousand, nine hundred eighty-six".