439747072 has 80 divisors (see below), whose sum is σ = 914316480. Its totient is φ = 211120128.

The previous prime is 439747069. The next prime is 439747081. The reversal of 439747072 is 270747934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633133 + ... + 2633299.

It is an arithmetic number, because the mean of its divisors is an integer number (11428956).

Almost surely, 2^439747072 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 439747072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457158240).

439747072 is an abundant number, since it is smaller than the sum of its proper divisors (474569408).

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

439747072 is a wasteful number, since it uses less digits than its factorization.

439747072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 439747072 is about 20970.1471620969. The cubic root of 439747072 is about 760.4447258605. Note that the first 3 decimals are identical.

The spelling of 439747072 in words is "four hundred thirty-nine million, seven hundred forty-seven thousand, seventy-two".