439768 has 16 divisors (see below), whose sum is σ = 942480. Its totient is φ = 188448.

The previous prime is 439763. The next prime is 439771. The reversal of 439768 is 867934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439763) by changing a digit.

439768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3871 + ... + 3982.

It is an arithmetic number, because the mean of its divisors is an integer number (58905).

2⁴³⁹⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

439768 is an abundant number, since it is smaller than the sum of its proper divisors (502712).

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

439768 is a wasteful number, since it uses less digits than its factorization.

439768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866 (or 7862 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

The square root of 439768 is about 663.1500584332. The cubic root of 439768 is about 76.0456789109.

It can be divided in two parts, 4397 and 68, that added together give a triangular number (4465 = T₉₄).

The spelling of 439768 in words is "four hundred thirty-nine thousand, seven hundred sixty-eight".