439328747 has 8 divisors (see below), whose sum is σ = 516134640. Its totient is φ = 368667360.

The previous prime is 439328707. The next prime is 439328749. The reversal of 439328747 is 747823934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 439328747 - 2²⁸ = 170893291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439328749) 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, 1535972 + ... + 1536257.

It is an arithmetic number, because the mean of its divisors is an integer number (64516830).

Almost surely, 2^439328747 is an apocalyptic number.

439328747 is a deficient number, since it is larger than the sum of its proper divisors (76805893).

439328747 is a wasteful number, since it uses less digits than its factorization.

439328747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072253.

The product of its digits is 1016064, while the sum is 47.

The square root of 439328747 is about 20960.1704907188. The cubic root of 439328747 is about 760.2035160185.

The spelling of 439328747 in words is "four hundred thirty-nine million, three hundred twenty-eight thousand, seven hundred forty-seven".