439317 has 16 divisors (see below), whose sum is σ = 665280. Its totient is φ = 286416.

The previous prime is 439303. The next prime is 439339. The reversal of 439317 is 713934.

It is not a de Polignac number, because 439317 - 2⁶ = 439253 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁹ + 3² + 3¹¹ + 9 + 1 + 7 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1278 + ... + 1584.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁴³⁹³¹⁷ is an apocalyptic number.

It is an amenable number.

439317 is a deficient number, since it is larger than the sum of its proper divisors (225963).

439317 is a wasteful number, since it uses less digits than its factorization.

439317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 363 counting only the distinct ones).

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

The square root of 439317 is about 662.8099275056. The cubic root of 439317 is about 76.0196740386.

The spelling of 439317 in words is "four hundred thirty-nine thousand, three hundred seventeen".