853660 has 12 divisors (see below), whose sum is σ = 1792728. Its totient is φ = 341456.

The previous prime is 853637. The next prime is 853663. The reversal of 853660 is 66358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21322 + ... + 21361.

It is an arithmetic number, because the mean of its divisors is an integer number (149394).

2⁸⁵³⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

853660 is an abundant number, since it is smaller than the sum of its proper divisors (939068).

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

853660 is a wasteful number, since it uses less digits than its factorization.

853660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42692 (or 42690 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 853660 is about 923.9372273050. The cubic root of 853660 is about 94.8625898931.

The spelling of 853660 in words is "eight hundred fifty-three thousand, six hundred sixty".