404105234 has 8 divisors (see below), whose sum is σ = 652785420. Its totient is φ = 186510096.

The previous prime is 404105179. The next prime is 404105267. The reversal of 404105234 is 432501404.

It can be written as a sum of positive squares in 2 ways, for example, as 325694209 + 78411025 = 18047^2 + 8855^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7771229 + ... + 7771280.

Almost surely, 2^404105234 is an apocalyptic number.

404105234 is a deficient number, since it is larger than the sum of its proper divisors (248680186).

404105234 is a wasteful number, since it uses less digits than its factorization.

404105234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15542524.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 404105234 is about 20102.3688653850. The cubic root of 404105234 is about 739.3183606240.

Adding to 404105234 its reverse (432501404), we get a palindrome (836606638).

The spelling of 404105234 in words is "four hundred four million, one hundred five thousand, two hundred thirty-four".