404816441 has 2 divisors, whose sum is σ = 404816442. Its totient is φ = 404816440.

The previous prime is 404816429. The next prime is 404816449. The reversal of 404816441 is 144618404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221890816 + 182925625 = 14896^2 + 13525^2 .

It is a cyclic number.

It is not a de Polignac number, because 404816441 - 2¹⁰ = 404815417 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 404816398 and 404816407.

It is not a weakly prime, because it can be changed into another prime (404816449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202408220 + 202408221.

It is an arithmetic number, because the mean of its divisors is an integer number (202408221).

Almost surely, 2^404816441 is an apocalyptic number.

It is an amenable number.

404816441 is a deficient number, since it is larger than the sum of its proper divisors (1).

404816441 is an equidigital number, since it uses as much as digits as its factorization.

404816441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 404816441 is about 20120.0507206120. The cubic root of 404816441 is about 739.7518287605.

The spelling of 404816441 in words is "four hundred four million, eight hundred sixteen thousand, four hundred forty-one".