853420 has 24 divisors (see below), whose sum is σ = 1820448. Its totient is φ = 336000.

The previous prime is 853403. The next prime is 853427. The reversal of 853420 is 24358.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 853391 and 853400.

It is not an unprimeable number, because it can be changed into a prime (853427) by changing a digit.

853420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (75852).

2⁸⁵³⁴²⁰ is an apocalyptic number.

It is an amenable number.

853420 is an abundant number, since it is smaller than the sum of its proper divisors (967028).

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

853420 is a wasteful number, since it uses less digits than its factorization.

853420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 853420 is about 923.8073392218. The cubic root of 853420 is about 94.8536990953.

Adding to 853420 its reverse (24358), we get a palindrome (877778).

The spelling of 853420 in words is "eight hundred fifty-three thousand, four hundred twenty".