866348 has 12 divisors (see below), whose sum is σ = 1732752. Its totient is φ = 371280.

The previous prime is 866329. The next prime is 866353. The reversal of 866348 is 843668.

866348 is nontrivially palindromic in base 13.

866348 is an admirable number.

It is an Ulam number.

It is an unprimeable number.

866348 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, 15443 + ... + 15498.

It is an arithmetic number, because the mean of its divisors is an integer number (144396).

2⁸⁶⁶³⁴⁸ is an apocalyptic number.

It is an amenable number.

866348 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.

866348 is a wasteful number, since it uses less digits than its factorization.

866348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30952 (or 30950 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 866348 is about 930.7781690607. The cubic root of 866348 is about 95.3302632664.

The spelling of 866348 in words is "eight hundred sixty-six thousand, three hundred forty-eight".