389480 has 64 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 122112.

The previous prime is 389479. The next prime is 389483. The reversal of 389480 is 84983.

389480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389483) 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, 3587 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (17010).

2³⁸⁹⁴⁸⁰ 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 389480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (544320).

389480 is an abundant number, since it is smaller than the sum of its proper divisors (699160).

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

389480 is a wasteful number, since it uses less digits than its factorization.

389480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 389480 is about 624.0833277696. The cubic root of 389480 is about 73.0289495488.

The spelling of 389480 in words is "three hundred eighty-nine thousand, four hundred eighty".