439230 has 40 divisors (see below), whose sum is σ = 1159560. Its totient is φ = 106480.

The previous prime is 439217. The next prime is 439253. The reversal of 439230 is 32934.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 439197 and 439206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39925 + ... + 39935.

It is an arithmetic number, because the mean of its divisors is an integer number (28989).

2⁴³⁹²³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579780).

439230 is an abundant number, since it is smaller than the sum of its proper divisors (720330).

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

439230 is an equidigital number, since it uses as much as digits as its factorization.

439230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 439230 is about 662.7442945813. The cubic root of 439230 is about 76.0146555301.

The spelling of 439230 in words is "four hundred thirty-nine thousand, two hundred thirty".