439054065 has 12 divisors (see below), whose sum is σ = 761027124. Its totient is φ = 234162144.

The previous prime is 439054051. The next prime is 439054069. The reversal of 439054065 is 560450934.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 287099136 + 151954929 = 16944^2 + 12327^2 .

It is not a de Polignac number, because 439054065 - 2⁸ = 439053809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (439054069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4878334 + ... + 4878423.

It is an arithmetic number, because the mean of its divisors is an integer number (63418927).

Almost surely, 2^439054065 is an apocalyptic number.

439054065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

439054065 is a deficient number, since it is larger than the sum of its proper divisors (321973059).

439054065 is a wasteful number, since it uses less digits than its factorization.

439054065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756768 (or 9756765 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 439054065 is about 20953.6169908682. The cubic root of 439054065 is about 760.0450486917.

The spelling of 439054065 in words is "four hundred thirty-nine million, fifty-four thousand, sixty-five".