389009088 has 112 divisors (see below), whose sum is σ = 1231656160. Its totient is φ = 119688192.

The previous prime is 389009081. The next prime is 389009123. The reversal of 389009088 is 880900983.

It is not an unprimeable number, because it can be changed into a prime (389009081) 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, 13806 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (10996930).

Almost surely, 2^389009088 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 389009088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615828080).

389009088 is an abundant number, since it is smaller than the sum of its proper divisors (842647072).

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

389009088 is a wasteful number, since it uses less digits than its factorization.

389009088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17351 (or 17335 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 389009088 is about 19723.3133119159. The cubic root of 389009088 is about 729.9950509454.

The spelling of 389009088 in words is "three hundred eighty-nine million, nine thousand, eighty-eight".