816308 has 12 divisors (see below), whose sum is σ = 1445220. Its totient is φ = 403392.

The previous prime is 816271. The next prime is 816317. The reversal of 816308 is 803618.

816308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 620944 = 442^2 + 788^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816308.

It is an unprimeable number.

816308 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (120435).

2⁸¹⁶³⁰⁸ is an apocalyptic number.

It is an amenable number.

816308 is a deficient number, since it is larger than the sum of its proper divisors (628912).

816308 is a wasteful number, since it uses less digits than its factorization.

816308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386 (or 2384 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 816308 is about 903.4976480324. The cubic root of 816308 is about 93.4583302552.

The spelling of 816308 in words is "eight hundred sixteen thousand, three hundred eight".