439272385 has 8 divisors (see below), whose sum is σ = 534551616. Its totient is φ = 346468080.

The previous prime is 439272371. The next prime is 439272389. The reversal of 439272385 is 583272934.

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

It is not a de Polignac number, because 439272385 - 2⁹ = 439271873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439272389) 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, 618339 + ... + 619048.

It is an arithmetic number, because the mean of its divisors is an integer number (66818952).

Almost surely, 2^439272385 is an apocalyptic number.

It is an amenable number.

439272385 is a deficient number, since it is larger than the sum of its proper divisors (95279231).

439272385 is a wasteful number, since it uses less digits than its factorization.

439272385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237463.

The product of its digits is 362880, while the sum is 43.

The square root of 439272385 is about 20958.8259451716. The cubic root of 439272385 is about 760.1710054947.

The spelling of 439272385 in words is "four hundred thirty-nine million, two hundred seventy-two thousand, three hundred eighty-five".