389380 has 12 divisors (see below), whose sum is σ = 817740. Its totient is φ = 155744.

The previous prime is 389369. The next prime is 389381. The reversal of 389380 is 83983.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 248004 = 376^2 + 498^2 .

It is not an unprimeable number, because it can be changed into a prime (389381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9715 + ... + 9754.

It is an arithmetic number, because the mean of its divisors is an integer number (68145).

2³⁸⁹³⁸⁰ is an apocalyptic number.

It is an amenable number.

389380 is an abundant number, since it is smaller than the sum of its proper divisors (428360).

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

389380 is a wasteful number, since it uses less digits than its factorization.

389380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19478 (or 19476 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 389380 is about 624.0032051200. The cubic root of 389380 is about 73.0226988898.

The spelling of 389380 in words is "three hundred eighty-nine thousand, three hundred eighty".