439816085 has 16 divisors (see below), whose sum is σ = 556156800. Its totient is φ = 332974656.

The previous prime is 439816079. The next prime is 439816099. The reversal of 439816085 is 580618934.

It is a cyclic number.

It is not a de Polignac number, because 439816085 - 2²⁰ = 438767509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114872 + ... + 118638.

It is an arithmetic number, because the mean of its divisors is an integer number (34759800).

Almost surely, 2^439816085 is an apocalyptic number.

It is an amenable number.

439816085 is a deficient number, since it is larger than the sum of its proper divisors (116340715).

439816085 is a wasteful number, since it uses less digits than its factorization.

439816085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 439816085 is about 20971.7926033995. The cubic root of 439816085 is about 760.4845046562.

The spelling of 439816085 in words is "four hundred thirty-nine million, eight hundred sixteen thousand, eighty-five".