439065 has 24 divisors (see below), whose sum is σ = 831168. Its totient is φ = 212640.

The previous prime is 439063. The next prime is 439081. The reversal of 439065 is 560934.

It is a happy number.

It is not a de Polignac number, because 439065 - 2¹ = 439063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (439063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (34632).

2⁴³⁹⁰⁶⁵ is an apocalyptic number.

439065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

439065 is a deficient number, since it is larger than the sum of its proper divisors (392103).

439065 is a wasteful number, since it uses less digits than its factorization.

439065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 439065 is about 662.6198004889. The cubic root of 439065 is about 76.0051358487.

Adding to 439065 its reverse (560934), we get a palindrome (999999).

The spelling of 439065 in words is "four hundred thirty-nine thousand, sixty-five".