404204311 has 8 divisors (see below), whose sum is σ = 462612384. Its totient is φ = 345962400.

The previous prime is 404204279. The next prime is 404204321. The reversal of 404204311 is 113402404.

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

It is not a de Polignac number, because 404204311 - 2⁵ = 404204279 is a prime.

It is a super-2 number, since 2×404204311² = 326762250061969442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404204321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36280 + ... + 46093.

It is an arithmetic number, because the mean of its divisors is an integer number (57826548).

Almost surely, 2^404204311 is an apocalyptic number.

404204311 is a deficient number, since it is larger than the sum of its proper divisors (58408073).

404204311 is an equidigital number, since it uses as much as digits as its factorization.

404204311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83081.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 404204311 is about 20104.8330259169. The cubic root of 404204311 is about 739.3787767842.

Adding to 404204311 its reverse (113402404), we get a palindrome (517606715).

The spelling of 404204311 in words is "four hundred four million, two hundred four thousand, three hundred eleven".