389304 has 24 divisors (see below), whose sum is σ = 1054560. Its totient is φ = 129744.

The previous prime is 389303. The next prime is 389357. The reversal of 389304 is 403983.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 389304.

It is not an unprimeable number, because it can be changed into a prime (389303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2632 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (43940).

2³⁸⁹³⁰⁴ is an apocalyptic number.

It is an amenable number.

389304 is an abundant number, since it is smaller than the sum of its proper divisors (665256).

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

389304 is a wasteful number, since it uses less digits than its factorization.

389304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5412 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 389304 is about 623.9423050251. The cubic root of 389304 is about 73.0179476731.

The spelling of 389304 in words is "three hundred eighty-nine thousand, three hundred four".