439804 has 12 divisors (see below), whose sum is σ = 787864. Its totient is φ = 214704.

The previous prime is 439799. The next prime is 439811. The reversal of 439804 is 408934.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1107 + ... + 1450.

2⁴³⁹⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

439804 is a deficient number, since it is larger than the sum of its proper divisors (348060).

439804 is a wasteful number, since it uses less digits than its factorization.

439804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 439804 is about 663.1772010556. The cubic root of 439804 is about 76.0477539215.

The spelling of 439804 in words is "four hundred thirty-nine thousand, eight hundred four".