404344411 has 2 divisors, whose sum is σ = 404344412. Its totient is φ = 404344410.

The previous prime is 404344349. The next prime is 404344427. The reversal of 404344411 is 114443404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404344411 - 2⁹ = 404343899 is a prime.

It is not a weakly prime, because it can be changed into another prime (404344441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202172205 + 202172206.

It is an arithmetic number, because the mean of its divisors is an integer number (202172206).

Almost surely, 2^404344411 is an apocalyptic number.

404344411 is a deficient number, since it is larger than the sum of its proper divisors (1).

404344411 is an equidigital number, since it uses as much as digits as its factorization.

404344411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 404344411 is about 20108.3169608995. The cubic root of 404344411 is about 739.4641915099.

Adding to 404344411 its reverse (114443404), we get a palindrome (518787815).

The spelling of 404344411 in words is "four hundred four million, three hundred forty-four thousand, four hundred eleven".