404341605 has 32 divisors (see below), whose sum is σ = 720558720. Its totient is φ = 215130240.

The previous prime is 404341601. The next prime is 404341643. The reversal of 404341605 is 506143404.

404341605 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 404341605 - 2² = 404341601 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404341601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56425 + ... + 63185.

It is an arithmetic number, because the mean of its divisors is an integer number (22517460).

Almost surely, 2^404341605 is an apocalyptic number.

404341605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404341605 is a deficient number, since it is larger than the sum of its proper divisors (316217115).

404341605 is a wasteful number, since it uses less digits than its factorization.

404341605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7218 (or 7212 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 404341605 is about 20108.2471886537. The cubic root of 404341605 is about 739.4624809703.

The spelling of 404341605 in words is "four hundred four million, three hundred forty-one thousand, six hundred five".