439929 has 12 divisors (see below), whose sum is σ = 726336. Its totient is φ = 251352.

The previous prime is 439919. The next prime is 439949. The reversal of 439929 is 929934.

It is not a de Polignac number, because 439929 - 2¹¹ = 437881 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 439893 and 439902.

It is not an unprimeable number, because it can be changed into a prime (439919) 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, 3429 + ... + 3554.

It is an arithmetic number, because the mean of its divisors is an integer number (60528).

2⁴³⁹⁹²⁹ is an apocalyptic number.

It is an amenable number.

439929 is a deficient number, since it is larger than the sum of its proper divisors (286407).

439929 is a wasteful number, since it uses less digits than its factorization.

439929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6993 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 439929 is about 663.2714376483. The cubic root of 439929 is about 76.0549579402.

The spelling of 439929 in words is "four hundred thirty-nine thousand, nine hundred twenty-nine".