389228 has 12 divisors (see below), whose sum is σ = 778512. Its totient is φ = 166800.

The previous prime is 389227. The next prime is 389231. The reversal of 389228 is 822983.

It is a happy number.

389228 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 389194 and 389203.

It is not an unprimeable number, because it can be changed into a prime (389227) 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, 6923 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (64876).

2³⁸⁹²²⁸ is an apocalyptic number.

It is an amenable number.

389228 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.

389228 is a wasteful number, since it uses less digits than its factorization.

389228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13912 (or 13910 counting only the distinct ones).

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

The square root of 389228 is about 623.8813989854. The cubic root of 389228 is about 73.0131958381.

The spelling of 389228 in words is "three hundred eighty-nine thousand, two hundred twenty-eight".