439226 has 4 divisors (see below), whose sum is σ = 658842. Its totient is φ = 219612.

The previous prime is 439217. The next prime is 439253. The reversal of 439226 is 622934.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 10201 = 655^2 + 101^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 439195 and 439204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109805 + ... + 109808.

2⁴³⁹²²⁶ is an apocalyptic number.

439226 is a deficient number, since it is larger than the sum of its proper divisors (219616).

439226 is a wasteful number, since it uses less digits than its factorization.

439226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219615.

The product of its digits is 2592, while the sum is 26.

The square root of 439226 is about 662.7412768192. The cubic root of 439226 is about 76.0144247782.

Subtracting from 439226 its product of digits (2592), we obtain a palindrome (436634).

The spelling of 439226 in words is "four hundred thirty-nine thousand, two hundred twenty-six".