439243 has 8 divisors (see below), whose sum is σ = 506880. Its totient is φ = 372840.

The previous prime is 439217. The next prime is 439253. The reversal of 439243 is 342934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 439243 - 2¹³ = 431051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (63360).

2⁴³⁹²⁴³ is an apocalyptic number.

439243 is a deficient number, since it is larger than the sum of its proper divisors (67637).

439243 is a wasteful number, since it uses less digits than its factorization.

439243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617.

The product of its digits is 2592, while the sum is 25.

The square root of 439243 is about 662.7541022129. The cubic root of 439243 is about 76.0154054643.

The spelling of 439243 in words is "four hundred thirty-nine thousand, two hundred forty-three".