439394 has 16 divisors (see below), whose sum is σ = 718080. Its totient is φ = 200880.

The previous prime is 439381. The next prime is 439409. The reversal of 439394 is 493934.

It is a d-powerful number, because it can be written as 4 + 3⁴ + 3¹¹ + 9 + 9 + 4⁹ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 439394.

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, 992 + ... + 1364.

It is an arithmetic number, because the mean of its divisors is an integer number (44880).

2⁴³⁹³⁹⁴ is an apocalyptic number.

439394 is a deficient number, since it is larger than the sum of its proper divisors (278686).

439394 is a wasteful number, since it uses less digits than its factorization.

439394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its digits is 11664, while the sum is 32.

The square root of 439394 is about 662.8680109946. The cubic root of 439394 is about 76.0241151544.

The spelling of 439394 in words is "four hundred thirty-nine thousand, three hundred ninety-four".