439814164 has 12 divisors (see below), whose sum is σ = 769929300. Its totient is φ = 219834368.

The previous prime is 439814161. The next prime is 439814171. The reversal of 439814164 is 461418934.

It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 388405264 = 7170^2 + 19708^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439814161) by changing a digit.

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, 3199 + ... + 29830.

It is an arithmetic number, because the mean of its divisors is an integer number (64160775).

Almost surely, 2^439814164 is an apocalyptic number.

It is an amenable number.

439814164 is a deficient number, since it is larger than the sum of its proper divisors (330115136).

439814164 is a wasteful number, since it uses less digits than its factorization.

439814164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36362 (or 36360 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 439814164 is about 20971.7468037357. The cubic root of 439814164 is about 760.4833974564.

The spelling of 439814164 in words is "four hundred thirty-nine million, eight hundred fourteen thousand, one hundred sixty-four".