439055697 has 16 divisors (see below), whose sum is σ = 604848128. Its totient is φ = 283001040.

The previous prime is 439055609. The next prime is 439055699. The reversal of 439055697 is 796550934.

It is not a de Polignac number, because 439055697 - 2⁷ = 439055569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (439055699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198198 + ... + 200400.

It is an arithmetic number, because the mean of its divisors is an integer number (37803008).

Almost surely, 2^439055697 is an apocalyptic number.

It is an amenable number.

439055697 is a deficient number, since it is larger than the sum of its proper divisors (165792431).

439055697 is a wasteful number, since it uses less digits than its factorization.

439055697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380.

The product of its (nonzero) digits is 1020600, while the sum is 48.

The square root of 439055697 is about 20953.6559339892. The cubic root of 439055697 is about 760.0459904071.

The spelling of 439055697 in words is "four hundred thirty-nine million, fifty-five thousand, six hundred ninety-seven".