9400481 has 2 divisors, whose sum is σ = 9400482. Its totient is φ = 9400480.

The previous prime is 9400477. The next prime is 9400483. The reversal of 9400481 is 1840049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 2298256 = 2665^2 + 1516^2 .

It is an emirp because it is prime and its reverse (1840049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9400481 - 2² = 9400477 is a prime.

It is a super-2 number, since 2×9400481² = 176738086062722, which contains 22 as substring.

Together with 9400483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9400481.

It is not a weakly prime, because it can be changed into another prime (9400483) 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 as a sum of consecutive naturals, namely, 4700240 + 4700241.

It is an arithmetic number, because the mean of its divisors is an integer number (4700241).

Almost surely, 2^9400481 is an apocalyptic number.

It is an amenable number.

9400481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9400481 is an equidigital number, since it uses as much as digits as its factorization.

9400481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 9400481 is about 3066.0203847985. The cubic root of 9400481 is about 211.0490291341.

It can be divided in two parts, 940048 and 1, that added together give a palindrome (940049).

The spelling of 9400481 in words is "nine million, four hundred thousand, four hundred eighty-one".