805394516 has 12 divisors (see below), whose sum is σ = 1492348788. Its totient is φ = 379009152.

The previous prime is 805394497. The next prime is 805394531. The reversal of 805394516 is 615493508.

It can be written as a sum of positive squares in 2 ways, for example, as 407232400 + 398162116 = 20180^2 + 19954^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921951 + ... + 5922086.

It is an arithmetic number, because the mean of its divisors is an integer number (124362399).

Almost surely, 2^805394516 is an apocalyptic number.

It is an amenable number.

805394516 is a deficient number, since it is larger than the sum of its proper divisors (686954272).

805394516 is a wasteful number, since it uses less digits than its factorization.

805394516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11844058 (or 11844056 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 805394516 is about 28379.4734975827. The cubic root of 805394516 is about 930.3996879148.

The spelling of 805394516 in words is "eight hundred five million, three hundred ninety-four thousand, five hundred sixteen".