9404881 has 2 divisors, whose sum is σ = 9404882. Its totient is φ = 9404880.

The previous prime is 9404869. The next prime is 9404887. The reversal of 9404881 is 1884049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756225 + 1648656 = 2785^2 + 1284^2 .

It is a cyclic number.

It is not a de Polignac number, because 9404881 - 2⁵ = 9404849 is a prime.

It is a super-2 number, since 2×9404881² = 176903573248322, which contains 22 as substring.

9404881 is a lucky number.

It is equal to p₆₂₇₆₉₄ and since 9404881 and 627694 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (9404887) 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, 4702440 + 4702441.

It is an arithmetic number, because the mean of its divisors is an integer number (4702441).

Almost surely, 2^9404881 is an apocalyptic number.

It is an amenable number.

9404881 is a deficient number, since it is larger than the sum of its proper divisors (1).

9404881 is an equidigital number, since it uses as much as digits as its factorization.

9404881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 9404881 is about 3066.7378433769. The cubic root of 9404881 is about 211.0819519489.

The spelling of 9404881 in words is "nine million, four hundred four thousand, eight hundred eighty-one".