404204211 has 24 divisors (see below), whose sum is σ = 592916480. Its totient is φ = 265305456.

The previous prime is 404204197. The next prime is 404204263. The reversal of 404204211 is 112402404.

It is not a de Polignac number, because 404204211 - 2¹¹ = 404202163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404204011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371310 + ... + 372396.

Almost surely, 2^404204211 is an apocalyptic number.

404204211 is a deficient number, since it is larger than the sum of its proper divisors (188712269).

404204211 is a wasteful number, since it uses less digits than its factorization.

404204211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1692 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 404204211 is about 20104.8305389526. The cubic root of 404204211 is about 739.3787158102.

Adding to 404204211 its reverse (112402404), we get a palindrome (516606615).

The spelling of 404204211 in words is "four hundred four million, two hundred four thousand, two hundred eleven".