9038681 has 2 divisors, whose sum is σ = 9038682. Its totient is φ = 9038680.

The previous prime is 9038671. The next prime is 9038683. The reversal of 9038681 is 1868309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5216656 + 3822025 = 2284^2 + 1955^2 .

It is an emirp because it is prime and its reverse (1868309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9038681 - 2¹⁴ = 9022297 is a prime.

It is a super-2 number, since 2×9038681² = 163395508439522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 9038683, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9038683) 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 as a sum of consecutive naturals, namely, 4519340 + 4519341.

It is an arithmetic number, because the mean of its divisors is an integer number (4519341).

Almost surely, 2^9038681 is an apocalyptic number.

It is an amenable number.

9038681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9038681 is an equidigital number, since it uses as much as digits as its factorization.

9038681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9038681 is about 3006.4399212357. The cubic root of 9038681 is about 208.3059553712.

The spelling of 9038681 in words is "nine million, thirty-eight thousand, six hundred eighty-one".