9239681 has 12 divisors (see below), whose sum is σ = 10693200. Its totient is φ = 7955640.

The previous prime is 9239663. The next prime is 9239689. The reversal of 9239681 is 1869329.

It is not a de Polignac number, because 9239681 - 2¹⁴ = 9223297 is a prime.

It is a super-2 number, since 2×9239681² = 170743409963522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9239689) 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 11 ways as a sum of consecutive naturals, for example, 290 + ... + 4308.

It is an arithmetic number, because the mean of its divisors is an integer number (891100).

Almost surely, 2^9239681 is an apocalyptic number.

It is an amenable number.

9239681 is a deficient number, since it is larger than the sum of its proper divisors (1453519).

9239681 is a wasteful number, since it uses less digits than its factorization.

9239681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060 (or 4049 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 9239681 is about 3039.6843586136. The cubic root of 9239681 is about 209.8387348460.

The spelling of 9239681 in words is "nine million, two hundred thirty-nine thousand, six hundred eighty-one".