806446518 has 8 divisors (see below), whose sum is σ = 1612893048. Its totient is φ = 268815504.

The previous prime is 806446517. The next prime is 806446541. The reversal of 806446518 is 815644608.

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

806446518 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 806446518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806446517) by changing a digit.

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, 67203871 + ... + 67203882.

It is an arithmetic number, because the mean of its divisors is an integer number (201611631).

Almost surely, 2^806446518 is an apocalyptic number.

806446518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

806446518 is a wasteful number, since it uses less digits than its factorization.

806446518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134407758.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 806446518 is about 28398.0020071835. The cubic root of 806446518 is about 930.8046060271.

The spelling of 806446518 in words is "eight hundred six million, four hundred forty-six thousand, five hundred eighteen".