439713 has 6 divisors (see below), whose sum is σ = 635154. Its totient is φ = 293136.

The previous prime is 439709. The next prime is 439723. The reversal of 439713 is 317934.

It can be written as a sum of positive squares in only one way, i.e., 439569 + 144 = 663^2 + 12^2 .

It is not a de Polignac number, because 439713 - 2² = 439709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24420 + ... + 24437.

It is an arithmetic number, because the mean of its divisors is an integer number (105859).

2⁴³⁹⁷¹³ is an apocalyptic number.

It is an amenable number.

439713 is a deficient number, since it is larger than the sum of its proper divisors (195441).

439713 is a wasteful number, since it uses less digits than its factorization.

439713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48863 (or 48860 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 439713 is about 663.1085883926. The cubic root of 439713 is about 76.0425085372.

The spelling of 439713 in words is "four hundred thirty-nine thousand, seven hundred thirteen".