404213411 has 4 divisors (see below), whose sum is σ = 461958192. Its totient is φ = 346468632.

The previous prime is 404213393. The next prime is 404213417. The reversal of 404213411 is 114312404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404213411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404213417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28872380 + ... + 28872393.

It is an arithmetic number, because the mean of its divisors is an integer number (115489548).

Almost surely, 2^404213411 is an apocalyptic number.

404213411 is a deficient number, since it is larger than the sum of its proper divisors (57744781).

404213411 is an equidigital number, since it uses as much as digits as its factorization.

404213411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57744780.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 404213411 is about 20105.0593383855. The cubic root of 404213411 is about 739.3843253779.

Adding to 404213411 its reverse (114312404), we get a palindrome (518525815).

The spelling of 404213411 in words is "four hundred four million, two hundred thirteen thousand, four hundred eleven".