9440401 has 2 divisors, whose sum is σ = 9440402. Its totient is φ = 9440400.

The previous prime is 9440383. The next prime is 9440407. The reversal of 9440401 is 1040449.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8673025 + 767376 = 2945^2 + 876^2 .

It is an emirp because it is prime and its reverse (1040449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9440401 - 2⁷ = 9440273 is a prime.

It is not a weakly prime, because it can be changed into another prime (9440407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4720200 + 4720201.

It is an arithmetic number, because the mean of its divisors is an integer number (4720201).

Almost surely, 2^9440401 is an apocalyptic number.

It is an amenable number.

9440401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9440401 is an equidigital number, since it uses as much as digits as its factorization.

9440401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 9440401 is about 3072.5235556461. The cubic root of 9440401 is about 211.3473535619.

The spelling of 9440401 in words is "nine million, four hundred forty thousand, four hundred one".