439385472 has 80 divisors (see below), whose sum is σ = 1307634900. Its totient is φ = 146458368.

The previous prime is 439385363. The next prime is 439385473. The reversal of 439385472 is 274583934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439385473) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10822 + ... + 31557.

Almost surely, 2^439385472 is an apocalyptic number.

It is an amenable number.

439385472 is an abundant number, since it is smaller than the sum of its proper divisors (868249428).

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

439385472 is an equidigital number, since it uses as much as digits as its factorization.

439385472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42405 (or 42384 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 439385472 is about 20961.5236087456. The cubic root of 439385472 is about 760.2362331192.

The spelling of 439385472 in words is "four hundred thirty-nine million, three hundred eighty-five thousand, four hundred seventy-two".