852420 has 24 divisors (see below), whose sum is σ = 2386944. Its totient is φ = 227296.

The previous prime is 852409. The next prime is 852427. The reversal of 852420 is 24258.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 852420.

It is not an unprimeable number, because it can be changed into a prime (852427) by changing a digit.

852420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7044 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (99456).

2⁸⁵²⁴²⁰ is an apocalyptic number.

It is an amenable number.

852420 is an abundant number, since it is smaller than the sum of its proper divisors (1534524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

852420 is a wasteful number, since it uses less digits than its factorization.

852420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14219 (or 14217 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 852420 is about 923.2659421857. The cubic root of 852420 is about 94.8166361518.

Adding to 852420 its reverse (24258), we get a palindrome (876678).

The spelling of 852420 in words is "eight hundred fifty-two thousand, four hundred twenty".