9008381 has 2 divisors, whose sum is σ = 9008382. Its totient is φ = 9008380.

The previous prime is 9008369. The next prime is 9008393. The reversal of 9008381 is 1838009.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (9008369) and next prime (9008393).

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 217156 = 2965^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 9008381 - 2¹⁰ = 9007357 is a prime.

It is a super-2 number, since 2×9008381² = 162301856482322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9008281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504190 + 4504191.

It is an arithmetic number, because the mean of its divisors is an integer number (4504191).

Almost surely, 2^9008381 is an apocalyptic number.

It is an amenable number.

9008381 is a deficient number, since it is larger than the sum of its proper divisors (1).

9008381 is an equidigital number, since it uses as much as digits as its factorization.

9008381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 9008381 is about 3001.3965082941. The cubic root of 9008381 is about 208.0729296160.

Adding to 9008381 its product of nonzero digits (1728), we get a palindrome (9010109).

The spelling of 9008381 in words is "nine million, eight thousand, three hundred eighty-one".