404332105 has 8 divisors (see below), whose sum is σ = 487713672. Its totient is φ = 321788928.

The previous prime is 404332091. The next prime is 404332109. The reversal of 404332105 is 501233404.

It can be written as a sum of positive squares in 4 ways, for example, as 98327056 + 306005049 = 9916^2 + 17493^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404332105 - 2²¹ = 402234953 is a prime.

It is a super-2 number, since 2×404332105² = 326968902267462050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404332109) 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 7 ways as a sum of consecutive naturals, for example, 208534 + ... + 210463.

It is an arithmetic number, because the mean of its divisors is an integer number (60964209).

Almost surely, 2^404332105 is an apocalyptic number.

It is an amenable number.

404332105 is a deficient number, since it is larger than the sum of its proper divisors (83381567).

404332105 is a wasteful number, since it uses less digits than its factorization.

404332105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419195.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 404332105 is about 20108.0109657818. The cubic root of 404332105 is about 739.4566897049.

Adding to 404332105 its reverse (501233404), we get a palindrome (905565509).

The spelling of 404332105 in words is "four hundred four million, three hundred thirty-two thousand, one hundred five".