439228 has 6 divisors (see below), whose sum is σ = 768656. Its totient is φ = 219612.

The previous prime is 439217. The next prime is 439253. The reversal of 439228 is 822934.

It is a junction number, because it is equal to n+sod(n) for n = 439196 and 439205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54900 + ... + 54907.

2⁴³⁹²²⁸ is an apocalyptic number.

It is an amenable number.

439228 is a deficient number, since it is larger than the sum of its proper divisors (329428).

439228 is a wasteful number, since it uses less digits than its factorization.

439228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109811 (or 109809 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 439228 is about 662.7427857020. The cubic root of 439228 is about 76.0145401543.

The spelling of 439228 in words is "four hundred thirty-nine thousand, two hundred twenty-eight".