439384228 has 24 divisors (see below), whose sum is σ = 777906360. Its totient is φ = 217136640.

The previous prime is 439384223. The next prime is 439384271. The reversal of 439384228 is 822483934.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 434222244 = 2272^2 + 20838^2 .

It is not an unprimeable number, because it can be changed into a prime (439384223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189138 + ... + 191446.

It is an arithmetic number, because the mean of its divisors is an integer number (32412765).

Almost surely, 2^439384228 is an apocalyptic number.

It is an amenable number.

439384228 is a deficient number, since it is larger than the sum of its proper divisors (338522132).

439384228 is a wasteful number, since it uses less digits than its factorization.

439384228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847 (or 2845 counting only the distinct ones).

The product of its digits is 331776, while the sum is 43.

The square root of 439384228 is about 20961.4939353091. The cubic root of 439384228 is about 760.2355156514.

The spelling of 439384228 in words is "four hundred thirty-nine million, three hundred eighty-four thousand, two hundred twenty-eight".