439520345 has 16 divisors (see below), whose sum is σ = 576445248. Its totient is φ = 319055040.

The previous prime is 439520339. The next prime is 439520357. The reversal of 439520345 is 543025934.

It is not a de Polignac number, because 439520345 - 2⁸ = 439520089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23462 + ... + 37808.

It is an arithmetic number, because the mean of its divisors is an integer number (36027828).

Almost surely, 2^439520345 is an apocalyptic number.

It is an amenable number.

439520345 is a deficient number, since it is larger than the sum of its proper divisors (136924903).

439520345 is a wasteful number, since it uses less digits than its factorization.

439520345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14920.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 439520345 is about 20964.7405183084. The cubic root of 439520345 is about 760.3140120919.

The spelling of 439520345 in words is "four hundred thirty-nine million, five hundred twenty thousand, three hundred forty-five".