866352 has 20 divisors (see below), whose sum is σ = 2238200. Its totient is φ = 288768.

The previous prime is 866329. The next prime is 866353. The reversal of 866352 is 253668.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (866353) by changing a digit.

866352 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, 8977 + ... + 9072.

It is an arithmetic number, because the mean of its divisors is an integer number (111910).

2⁸⁶⁶³⁵² is an apocalyptic number.

It is an amenable number.

866352 is an abundant number, since it is smaller than the sum of its proper divisors (1371848).

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

866352 is a wasteful number, since it uses less digits than its factorization.

866352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060 (or 18054 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 866352 is about 930.7803177979. The cubic root of 866352 is about 95.3304099820.

The spelling of 866352 in words is "eight hundred sixty-six thousand, three hundred fifty-two".