8997313 has 8 divisors (see below), whose sum is σ = 9730728. Its totient is φ = 8269824.

The previous prime is 8997311. The next prime is 8997319. The reversal of 8997313 is 3137998.

It can be written as a sum of positive squares in 4 ways, for example, as 1937664 + 7059649 = 1392^2 + 2657^2 .

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 8997313 - 2¹ = 8997311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 4687.

It is an arithmetic number, because the mean of its divisors is an integer number (1216341).

Almost surely, 2^8997313 is an apocalyptic number.

It is an amenable number.

8997313 is a deficient number, since it is larger than the sum of its proper divisors (733415).

8997313 is a wasteful number, since it uses less digits than its factorization.

8997313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its digits is 40824, while the sum is 40.

The square root of 8997313 is about 2999.5521332359. The cubic root of 8997313 is about 207.9876795587.

The spelling of 8997313 in words is "eight million, nine hundred ninety-seven thousand, three hundred thirteen".