9439481 has 2 divisors, whose sum is σ = 9439482. Its totient is φ = 9439480.

The previous prime is 9439439. The next prime is 9439487. The reversal of 9439481 is 1849349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8357881 + 1081600 = 2891^2 + 1040^2 .

It is an emirp because it is prime and its reverse (1849349) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9439481 is a prime.

It is a super-2 number, since 2×9439481² = 178207603098722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9439487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4719740 + 4719741.

It is an arithmetic number, because the mean of its divisors is an integer number (4719741).

Almost surely, 2^9439481 is an apocalyptic number.

It is an amenable number.

9439481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9439481 is an equidigital number, since it uses as much as digits as its factorization.

9439481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 38.

The square root of 9439481 is about 3072.3738379305. The cubic root of 9439481 is about 211.3404878267.

The spelling of 9439481 in words is "nine million, four hundred thirty-nine thousand, four hundred eighty-one".