8389013388 has 48 divisors (see below), whose sum is σ = 22376363520. Its totient is φ = 2396254464.

The previous prime is 8389013333. The next prime is 8389013389. The reversal of 8389013388 is 8833109838.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8389013388.

It is not an unprimeable number, because it can be changed into a prime (8389013389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401668 + ... + 422036.

It is an arithmetic number, because the mean of its divisors is an integer number (466174240).

Almost surely, 2^8389013388 is an apocalyptic number.

It is an amenable number.

8389013388 is an abundant number, since it is smaller than the sum of its proper divisors (13987350132).

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

8389013388 is a wasteful number, since it uses less digits than its factorization.

8389013388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25286 (or 25284 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 8389013388 is about 91591.5574056911. The cubic root of 8389013388 is about 2031.9060767730.

The spelling of 8389013388 in words is "eight billion, three hundred eighty-nine million, thirteen thousand, three hundred eighty-eight".