853728393 has 8 divisors (see below), whose sum is σ = 1300919488. Its totient is φ = 487844784.

The previous prime is 853728391. The next prime is 853728401. The reversal of 853728393 is 393827358.

853728393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 853728393 - 2¹ = 853728391 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (853728391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20326846 + ... + 20326887.

It is an arithmetic number, because the mean of its divisors is an integer number (162614936).

Almost surely, 2^853728393 is an apocalyptic number.

It is an amenable number.

853728393 is a deficient number, since it is larger than the sum of its proper divisors (447191095).

853728393 is a wasteful number, since it uses less digits than its factorization.

853728393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40653743.

The product of its digits is 1088640, while the sum is 48.

The square root of 853728393 is about 29218.6309227520. The cubic root of 853728393 is about 948.6512320610.

The spelling of 853728393 in words is "eight hundred fifty-three million, seven hundred twenty-eight thousand, three hundred ninety-three".