8938320992 has 48 divisors (see below), whose sum is σ = 17953335792. Its totient is φ = 4379443200.

The previous prime is 8938320967. The next prime is 8938321057. The reversal of 8938320992 is 2990238398.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402992 + ... + 424592.

It is an arithmetic number, because the mean of its divisors is an integer number (374027829).

Almost surely, 2^8938320992 is an apocalyptic number.

It is an amenable number.

8938320992 is an abundant number, since it is smaller than the sum of its proper divisors (9015014800).

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

8938320992 is a wasteful number, since it uses less digits than its factorization.

8938320992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21871 (or 21863 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 8938320992 is about 94542.6940170418. The cubic root of 8938320992 is about 2075.3211670678.

The spelling of 8938320992 in words is "eight billion, nine hundred thirty-eight million, three hundred twenty thousand, nine hundred ninety-two".