9328681 has 4 divisors (see below), whose sum is σ = 9334912. Its totient is φ = 9322452.

The previous prime is 9328643. The next prime is 9328687. The reversal of 9328681 is 1868239.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9328681 - 2¹⁷ = 9197609 is a prime.

It is a super-2 number, since 2×9328681² = 174048578399522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9328681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9328687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640 + ... + 4366.

It is an arithmetic number, because the mean of its divisors is an integer number (2333728).

Almost surely, 2^9328681 is an apocalyptic number.

It is an amenable number.

9328681 is a deficient number, since it is larger than the sum of its proper divisors (6231).

9328681 is a wasteful number, since it uses less digits than its factorization.

9328681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6230.

The product of its digits is 20736, while the sum is 37.

The square root of 9328681 is about 3054.2889516220. The cubic root of 9328681 is about 210.5103310002.

The spelling of 9328681 in words is "nine million, three hundred twenty-eight thousand, six hundred eighty-one".