389284 has 12 divisors (see below), whose sum is σ = 778624. Its totient is φ = 166824.

The previous prime is 389273. The next prime is 389287. The reversal of 389284 is 482983.

389284 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (389287) 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, 6924 + ... + 6979.

2³⁸⁹²⁸⁴ is an apocalyptic number.

It is an amenable number.

389284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

389284 is a wasteful number, since it uses less digits than its factorization.

389284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13914 (or 13912 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 389284 is about 623.9262776963. The cubic root of 389284 is about 73.0166972502.

The spelling of 389284 in words is "three hundred eighty-nine thousand, two hundred eighty-four".