866301306 has 64 divisors (see below), whose sum is σ = 1921594752. Its totient is φ = 258676992.

The previous prime is 866301269. The next prime is 866301329. The reversal of 866301306 is 603103668.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 579496 + ... + 580988.

It is an arithmetic number, because the mean of its divisors is an integer number (30024918).

Almost surely, 2^866301306 is an apocalyptic number.

866301306 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 866301306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960797376).

866301306 is an abundant number, since it is smaller than the sum of its proper divisors (1055293446).

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

866301306 is a wasteful number, since it uses less digits than its factorization.

866301306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 866301306 is about 29432.9968912444. The cubic root of 866301306 is about 953.2855054765.

The spelling of 866301306 in words is "eight hundred sixty-six million, three hundred one thousand, three hundred six".