852666 has 8 divisors (see below), whose sum is σ = 1705344. Its totient is φ = 284220.

The previous prime is 852661. The next prime is 852671. The reversal of 852666 is 666258.

It is an interprime number because it is at equal distance from previous prime (852661) and next prime (852671).

It is a sphenic number, since it is the product of 3 distinct primes.

852666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (852661) by changing a digit.

852666 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 3 ways as a sum of consecutive naturals, for example, 71050 + ... + 71061.

It is an arithmetic number, because the mean of its divisors is an integer number (213168).

2⁸⁵²⁶⁶⁶ is an apocalyptic number.

852666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

852666 is a wasteful number, since it uses less digits than its factorization.

852666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142116.

The product of its digits is 17280, while the sum is 33.

The square root of 852666 is about 923.3991552953. The cubic root of 852666 is about 94.8257563230.

The spelling of 852666 in words is "eight hundred fifty-two thousand, six hundred sixty-six".