854660 has 24 divisors (see below), whose sum is σ = 1813056. Its totient is φ = 338400.

The previous prime is 854647. The next prime is 854683. The reversal of 854660 is 66458.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

854660 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, 2879 + ... + 3161.

It is an arithmetic number, because the mean of its divisors is an integer number (75544).

2⁸⁵⁴⁶⁶⁰ is an apocalyptic number.

854660 is the 755-th pentagonal number.

It is an amenable number.

854660 is an abundant number, since it is smaller than the sum of its proper divisors (958396).

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

854660 is a wasteful number, since it uses less digits than its factorization.

854660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 441 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 854660 is about 924.4782312202. The cubic root of 854660 is about 94.8996169579.

The spelling of 854660 in words is "eight hundred fifty-four thousand, six hundred sixty".