806568312 has 64 divisors (see below), whose sum is σ = 2214408960. Its totient is φ = 242784000.

The previous prime is 806568263. The next prime is 806568337. The reversal of 806568312 is 213865608.

It is a happy number.

It is a congruent number.

It is an unprimeable 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 15 ways as a sum of consecutive naturals, for example, 29748 + ... + 49980.

It is an arithmetic number, because the mean of its divisors is an integer number (34600140).

Almost surely, 2^806568312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806568312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107204480).

806568312 is an abundant number, since it is smaller than the sum of its proper divisors (1407840648).

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

806568312 is a wasteful number, since it uses less digits than its factorization.

806568312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20404 (or 20400 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 806568312 is about 28400.1463376511. The cubic root of 806568312 is about 930.8514620831.

The spelling of 806568312 in words is "eight hundred six million, five hundred sixty-eight thousand, three hundred twelve".