853218 has 24 divisors (see below), whose sum is σ = 1870128. Its totient is φ = 281112.

The previous prime is 853217. The next prime is 853241. The reversal of 853218 is 812358.

It is a happy number.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 853191 and 853200.

It is not an unprimeable number, because it can be changed into a prime (853211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1705 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (77922).

2⁸⁵³²¹⁸ is an apocalyptic number.

853218 is an abundant number, since it is smaller than the sum of its proper divisors (1016910).

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

853218 is a wasteful number, since it uses less digits than its factorization.

853218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 853218 is about 923.6980025961. The cubic root of 853218 is about 94.8462147151.

The spelling of 853218 in words is "eight hundred fifty-three thousand, two hundred eighteen".