852384809 has 8 divisors (see below), whose sum is σ = 871153920. Its totient is φ = 833642176.

The previous prime is 852384779. The next prime is 852384817. The reversal of 852384809 is 908483258.

852384809 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852384809 is a prime.

It is a super-2 number, since 2×852384809² = 1453119725227932962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852384889) 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, 67457 + ... + 79089.

It is an arithmetic number, because the mean of its divisors is an integer number (108894240).

Almost surely, 2^852384809 is an apocalyptic number.

It is an amenable number.

852384809 is a deficient number, since it is larger than the sum of its proper divisors (18769111).

852384809 is a wasteful number, since it uses less digits than its factorization.

852384809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13239.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 852384809 is about 29195.6299640888. The cubic root of 852384809 is about 948.1533134188.

The spelling of 852384809 in words is "eight hundred fifty-two million, three hundred eighty-four thousand, eight hundred nine".