389588080 has 80 divisors (see below), whose sum is σ = 1037880000. Its totient is φ = 133226496.

The previous prime is 389588057. The next prime is 389588083. The reversal of 389588080 is 80885983.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389588083) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 311296 + ... + 312544.

It is an arithmetic number, because the mean of its divisors is an integer number (12973500).

Almost surely, 2^389588080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389588080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518940000).

389588080 is an abundant number, since it is smaller than the sum of its proper divisors (648291920).

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

389588080 is a wasteful number, since it uses less digits than its factorization.

389588080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 389588080 is about 19737.9857128330. The cubic root of 389588080 is about 730.3570405815.

The spelling of 389588080 in words is "three hundred eighty-nine million, five hundred eighty-eight thousand, eighty".