9288381 has 16 divisors (see below), whose sum is σ = 12893760. Its totient is φ = 5940480.

The previous prime is 9288361. The next prime is 9288401. The reversal of 9288381 is 1838829.

9288381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9288361) and next prime (9288401).

It is not a de Polignac number, because 9288381 - 2⁹ = 9287869 is a prime.

It is a super-2 number, since 2×9288381² = 172548043202322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9288361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20746 + ... + 21188.

It is an arithmetic number, because the mean of its divisors is an integer number (805860).

Almost surely, 2^9288381 is an apocalyptic number.

It is an amenable number.

9288381 is a deficient number, since it is larger than the sum of its proper divisors (3605379).

9288381 is a wasteful number, since it uses less digits than its factorization.

9288381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its digits is 27648, while the sum is 39.

The square root of 9288381 is about 3047.6845309185. The cubic root of 9288381 is about 210.2067578187.

It can be divided in two parts, 9288 and 381, that added together give a palindrome (9669).

The spelling of 9288381 in words is "nine million, two hundred eighty-eight thousand, three hundred eighty-one".