389680120 has 64 divisors (see below), whose sum is σ = 977248800. Its totient is φ = 138977280.

The previous prime is 389680091. The next prime is 389680127. The reversal of 389680120 is 21086983.

It is a self number, because there is not a number n which added to its sum of digits gives 389680120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389680127) 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, 2161 + ... + 28000.

Almost surely, 2^389680120 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 389680120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488624400).

389680120 is an abundant number, since it is smaller than the sum of its proper divisors (587568680).

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

389680120 is a wasteful number, since it uses less digits than its factorization.

389680120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30208 (or 30204 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 389680120 is about 19740.3171200465. The cubic root of 389680120 is about 730.4145515548.

The spelling of 389680120 in words is "three hundred eighty-nine million, six hundred eighty thousand, one hundred twenty".