866328 has 16 divisors (see below), whose sum is σ = 2165880. Its totient is φ = 288768.

The previous prime is 866311. The next prime is 866329. The reversal of 866328 is 823668.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866329) 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, 18025 + ... + 18072.

2⁸⁶⁶³²⁸ is an apocalyptic number.

It is an amenable number.

866328 is an abundant number, since it is smaller than the sum of its proper divisors (1299552).

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

866328 is a wasteful number, since it uses less digits than its factorization.

866328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36106 (or 36102 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 866328 is about 930.7674253002. The cubic root of 866328 is about 95.3295296813.

The spelling of 866328 in words is "eight hundred sixty-six thousand, three hundred twenty-eight".