866130 has 16 divisors (see below), whose sum is σ = 2078784. Its totient is φ = 230960.

The previous prime is 866123. The next prime is 866161. The reversal of 866130 is 31668.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 866130.

It is a congruent number.

It is an unprimeable number.

866130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14406 + ... + 14465.

It is an arithmetic number, because the mean of its divisors is an integer number (129924).

2⁸⁶⁶¹³⁰ is an apocalyptic number.

866130 is an abundant number, since it is smaller than the sum of its proper divisors (1212654).

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

866130 is a wasteful number, since it uses less digits than its factorization.

866130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28881.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 866130 is about 930.6610553795. The cubic root of 866130 is about 95.3222665796.

Adding to 866130 its reverse (31668), we get a palindrome (897798).

It can be divided in two parts, 86 and 6130, that added together give a triangular number (6216 = T₁₁₁).

The spelling of 866130 in words is "eight hundred sixty-six thousand, one hundred thirty".