4347855385 has 8 divisors (see below), whose sum is σ = 5358438216. Its totient is φ = 3384276480.

The previous prime is 4347855359. The next prime is 4347855389. The reversal of 4347855385 is 5835587434.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 687121369 + 3660734016 = 26213^2 + 60504^2 .

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

It is not a de Polignac number, because 4347855385 - 2⁵ = 4347855353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4347855389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11750776 + ... + 11751145.

It is an arithmetic number, because the mean of its divisors is an integer number (669804777).

Almost surely, 2^4347855385 is an apocalyptic number.

It is an amenable number.

4347855385 is a deficient number, since it is larger than the sum of its proper divisors (1010582831).

4347855385 is a wasteful number, since it uses less digits than its factorization.

4347855385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23501963.

The product of its digits is 8064000, while the sum is 52.

The square root of 4347855385 is about 65938.2695026189. The cubic root of 4347855385 is about 1632.1435891109.

The spelling of 4347855385 in words is "four billion, three hundred forty-seven million, eight hundred fifty-five thousand, three hundred eighty-five".