439228284 has 48 divisors (see below), whose sum is σ = 1122756096. Its totient is φ = 132537600.

The previous prime is 439228271. The next prime is 439228289. The reversal of 439228284 is 482822934.

It is a happy number.

It is a super-3 number, since 3×439228284³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439228289) 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, 24909 + ... + 38715.

It is an arithmetic number, because the mean of its divisors is an integer number (23390752).

Almost surely, 2^439228284 is an apocalyptic number.

439228284 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439228284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561378048).

439228284 is an abundant number, since it is smaller than the sum of its proper divisors (683527812).

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

439228284 is a wasteful number, since it uses less digits than its factorization.

439228284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066 (or 14064 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 439228284 is about 20957.7738321607. The cubic root of 439228284 is about 760.1455653771.

The spelling of 439228284 in words is "four hundred thirty-nine million, two hundred twenty-eight thousand, two hundred eighty-four".