439228416 has 192 divisors, whose sum is σ = 1309875840. Its totient is φ = 129761280.

The previous prime is 439228397. The next prime is 439228417. The reversal of 439228416 is 614822934.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439228417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4528080 + ... + 4528176.

It is an arithmetic number, because the mean of its divisors is an integer number (6822270).

Almost surely, 2^439228416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439228416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654937920).

439228416 is an abundant number, since it is smaller than the sum of its proper divisors (870647424).

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

439228416 is a wasteful number, since it uses less digits than its factorization.

439228416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 439228416 is about 20957.7769813499. The cubic root of 439228416 is about 760.1456415252.

The spelling of 439228416 in words is "four hundred thirty-nine million, two hundred twenty-eight thousand, four hundred sixteen".