866748 has 12 divisors (see below), whose sum is σ = 2022440. Its totient is φ = 288912.

The previous prime is 866743. The next prime is 866759. The reversal of 866748 is 847668.

It is a tau number, because it is divible by the number of its divisors (12).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866743) 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, 36103 + ... + 36126.

2⁸⁶⁶⁷⁴⁸ is an apocalyptic number.

It is an amenable number.

866748 is an abundant number, since it is smaller than the sum of its proper divisors (1155692).

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

866748 is a wasteful number, since it uses less digits than its factorization.

866748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72236 (or 72234 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 866748 is about 930.9930182338. The cubic root of 866748 is about 95.3449325979.

The spelling of 866748 in words is "eight hundred sixty-six thousand, seven hundred forty-eight".