439797 has 8 divisors (see below), whose sum is σ = 605440. Its totient is φ = 283680.

The previous prime is 439787. The next prime is 439799. The reversal of 439797 is 797934.

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

It is not a de Polignac number, because 439797 - 2⁴ = 439781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2272 + ... + 2457.

It is an arithmetic number, because the mean of its divisors is an integer number (75680).

2⁴³⁹⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

439797 is a deficient number, since it is larger than the sum of its proper divisors (165643).

439797 is a wasteful number, since it uses less digits than its factorization.

439797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4763.

The product of its digits is 47628, while the sum is 39.

The square root of 439797 is about 663.1719234105. The cubic root of 439797 is about 76.0473504561.

The spelling of 439797 in words is "four hundred thirty-nine thousand, seven hundred ninety-seven".