439225 has 6 divisors (see below), whose sum is σ = 544670. Its totient is φ = 351360.

The previous prime is 439217. The next prime is 439253. The reversal of 439225 is 522934.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2304 + 436921 = 48^2 + 661^2 .

It is not a de Polignac number, because 439225 - 2³ = 439217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 17569 = 439225 / (4 + 3 + 9 + 2 + 2 + 5).

439225 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 439225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8760 + ... + 8809.

2⁴³⁹²²⁵ is an apocalyptic number.

It is an amenable number.

439225 is a deficient number, since it is larger than the sum of its proper divisors (105445).

439225 is a wasteful number, since it uses less digits than its factorization.

439225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 17574 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 439225 is about 662.7405223766. The cubic root of 439225 is about 76.0143670900.

The spelling of 439225 in words is "four hundred thirty-nine thousand, two hundred twenty-five".