439708 has 12 divisors (see below), whose sum is σ = 790552. Its totient is φ = 213840.

The previous prime is 439697. The next prime is 439709. The reversal of 439708 is 807934.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 439708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439709) by changing a digit.

439708 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338 + ... + 1633.

2⁴³⁹⁷⁰⁸ is an apocalyptic number.

It is an amenable number.

439708 is a deficient number, since it is larger than the sum of its proper divisors (350844).

439708 is a wasteful number, since it uses less digits than its factorization.

439708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3010 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 439708 is about 663.1048182603. The cubic root of 439708 is about 76.0422203083.

The spelling of 439708 in words is "four hundred thirty-nine thousand, seven hundred eight".