439873 has 12 divisors (see below), whose sum is σ = 525312. Its totient is φ = 367080.

The previous prime is 439867. The next prime is 439883. The reversal of 439873 is 378934.

It is not a de Polignac number, because 439873 - 2¹⁷ = 308801 is a prime.

It is a super-2 number, since 2×439873² = 386976512258, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (18144) is a multiple of the sum of its prime factors (252).

It is not an unprimeable number, because it can be changed into a prime (439823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2208 + ... + 2398.

It is an arithmetic number, because the mean of its divisors is an integer number (43776).

2⁴³⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

439873 is a deficient number, since it is larger than the sum of its proper divisors (85439).

439873 is a wasteful number, since it uses less digits than its factorization.

439873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 245 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 439873 is about 663.2292213104. The cubic root of 439873 is about 76.0517307086.

The spelling of 439873 in words is "four hundred thirty-nine thousand, eight hundred seventy-three".