439938 has 16 divisors (see below), whose sum is σ = 977760. Its totient is φ = 146628.

The previous prime is 439919. The next prime is 439949. The reversal of 439938 is 839934.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439938.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4020 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (61110).

2⁴³⁹⁹³⁸ is an apocalyptic number.

439938 is an abundant number, since it is smaller than the sum of its proper divisors (537822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

439938 is a wasteful number, since it uses less digits than its factorization.

439938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158 (or 8152 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 439938 is about 663.2782221662. The cubic root of 439938 is about 76.0554765769.

The spelling of 439938 in words is "four hundred thirty-nine thousand, nine hundred thirty-eight".