9297681 has 24 divisors (see below), whose sum is σ = 13433664. Its totient is φ = 5707680.

The previous prime is 9297677. The next prime is 9297713. The reversal of 9297681 is 1867929.

It is not a de Polignac number, because 9297681 - 2² = 9297677 is a prime.

It is a super-2 number, since 2×9297681² = 172893743955522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9297601) 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 23 ways as a sum of consecutive naturals, for example, 152391 + ... + 152451.

It is an arithmetic number, because the mean of its divisors is an integer number (559736).

Almost surely, 2^9297681 is an apocalyptic number.

It is an amenable number.

9297681 is a deficient number, since it is larger than the sum of its proper divisors (4135983).

9297681 is a wasteful number, since it uses less digits than its factorization.

9297681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 134 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 9297681 is about 3049.2098976620. The cubic root of 9297681 is about 210.2768909867.

The spelling of 9297681 in words is "nine million, two hundred ninety-seven thousand, six hundred eighty-one".