866930 has 8 divisors (see below), whose sum is σ = 1560492. Its totient is φ = 346768.

The previous prime is 866927. The next prime is 866933. The reversal of 866930 is 39668.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (866927) and next prime (866933).

It can be written as a sum of positive squares in 2 ways, for example, as 866761 + 169 = 931^2 + 13^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 866930.

It is not an unprimeable number, because it can be changed into a prime (866933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43337 + ... + 43356.

2⁸⁶⁶⁹³⁰ is an apocalyptic number.

866930 is a deficient number, since it is larger than the sum of its proper divisors (693562).

866930 is a wasteful number, since it uses less digits than its factorization.

866930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86700.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 866930 is about 931.0907581971. The cubic root of 866930 is about 95.3516056499.

The spelling of 866930 in words is "eight hundred sixty-six thousand, nine hundred thirty".