404412343 has 2 divisors, whose sum is σ = 404412344. Its totient is φ = 404412342.

The previous prime is 404412319. The next prime is 404412353. The reversal of 404412343 is 343214404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 404412343 - 2⁵ = 404412311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404412353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202206171 + 202206172.

It is an arithmetic number, because the mean of its divisors is an integer number (202206172).

Almost surely, 2^404412343 is an apocalyptic number.

404412343 is a deficient number, since it is larger than the sum of its proper divisors (1).

404412343 is an equidigital number, since it uses as much as digits as its factorization.

404412343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 404412343 is about 20110.0060417694. The cubic root of 404412343 is about 739.5056004896.

Adding to 404412343 its reverse (343214404), we get a palindrome (747626747).

The spelling of 404412343 in words is "four hundred four million, four hundred twelve thousand, three hundred forty-three".