439264385 has 8 divisors (see below), whose sum is σ = 602419776. Its totient is φ = 301209840.

The previous prime is 439264379. The next prime is 439264387. The reversal of 439264385 is 583462934.

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

It is not a de Polignac number, because 439264385 - 2⁴ = 439264369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439264387) 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, 6275171 + ... + 6275240.

It is an arithmetic number, because the mean of its divisors is an integer number (75302472).

Almost surely, 2^439264385 is an apocalyptic number.

It is an amenable number.

439264385 is a deficient number, since it is larger than the sum of its proper divisors (163155391).

439264385 is a wasteful number, since it uses less digits than its factorization.

439264385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12550423.

The product of its digits is 622080, while the sum is 44.

The square root of 439264385 is about 20958.6350939177. The cubic root of 439264385 is about 760.1663907385.

The spelling of 439264385 in words is "four hundred thirty-nine million, two hundred sixty-four thousand, three hundred eighty-five".