389120000 has 160 divisors (see below), whose sum is σ = 1023656700. Its totient is φ = 147456000.

The previous prime is 389119979. The next prime is 389120033. The reversal of 389120000 is 21983.

It is a tau number, because it is divible by the number of its divisors (160).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20479991 + ... + 20480009.

Almost surely, 2^389120000 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 389120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (511828350).

389120000 is an abundant number, since it is smaller than the sum of its proper divisors (634536700).

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

389120000 is an frugal number, since it uses more digits than its factorization.

389120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 389120000 is about 19726.1248095007. The cubic root of 389120000 is about 730.0644216619.

Adding to 389120000 its reverse (21983), we get a palindrome (389141983).

The spelling of 389120000 in words is "three hundred eighty-nine million, one hundred twenty thousand".