816316 has 24 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 369072.

The previous prime is 816271. The next prime is 816317. The reversal of 816316 is 613618.

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 816316.

It is not an unprimeable number, because it can be changed into a prime (816317) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1515 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁸¹⁶³¹⁶ is an apocalyptic number.

It is an amenable number.

816316 is a deficient number, since it is larger than the sum of its proper divisors (756164).

816316 is a wasteful number, since it uses less digits than its factorization.

816316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 511 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 816316 is about 903.5020752605. The cubic root of 816316 is about 93.4586355584.

The spelling of 816316 in words is "eight hundred sixteen thousand, three hundred sixteen".