439630 has 8 divisors (see below), whose sum is σ = 791352. Its totient is φ = 175848.

The previous prime is 439613. The next prime is 439631. The reversal of 439630 is 36934.

439630 is nontrivially palindromic in base 9.

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

It is a junction number, because it is equal to n+sod(n) for n = 439595 and 439604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439631) by changing a digit.

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, 21972 + ... + 21991.

It is an arithmetic number, because the mean of its divisors is an integer number (98919).

2⁴³⁹⁶³⁰ is an apocalyptic number.

439630 is a deficient number, since it is larger than the sum of its proper divisors (351722).

439630 is a wasteful number, since it uses less digits than its factorization.

439630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43970.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 439630 is about 663.0460014207. The cubic root of 439630 is about 76.0377236545.

The spelling of 439630 in words is "four hundred thirty-nine thousand, six hundred thirty".