868306 has 8 divisors (see below), whose sum is σ = 1312380. Its totient is φ = 430848.

The previous prime is 868291. The next prime is 868313. The reversal of 868306 is 603868.

It can be written as a sum of positive squares in 2 ways, for example, as 826281 + 42025 = 909^2 + 205^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311 + ... + 1858.

2⁸⁶⁸³⁰⁶ is an apocalyptic number.

868306 is a deficient number, since it is larger than the sum of its proper divisors (444074).

868306 is a wasteful number, since it uses less digits than its factorization.

868306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 868306 is about 931.8293835247. The cubic root of 868306 is about 95.4020266583.

The spelling of 868306 in words is "eight hundred sixty-eight thousand, three hundred six".