9816313 has 8 divisors (see below), whose sum is σ = 10627848. Its totient is φ = 9012864.

The previous prime is 9816307. The next prime is 9816329. The reversal of 9816313 is 3136189.

It can be written as a sum of positive squares in 4 ways, for example, as 1272384 + 8543929 = 1128^2 + 2923^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 9816313 - 2⁵ = 9816281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9816113) 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 7 ways as a sum of consecutive naturals, for example, 645 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (1328481).

Almost surely, 2^9816313 is an apocalyptic number.

It is an amenable number.

9816313 is a deficient number, since it is larger than the sum of its proper divisors (811535).

9816313 is a wasteful number, since it uses less digits than its factorization.

9816313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043.

The product of its digits is 3888, while the sum is 31.

The square root of 9816313 is about 3133.0995834796. The cubic root of 9816313 is about 214.1161697846.

The spelling of 9816313 in words is "nine million, eight hundred sixteen thousand, three hundred thirteen".