404134211 has 16 divisors (see below), whose sum is σ = 443596608. Its totient is φ = 365904000.

The previous prime is 404134187. The next prime is 404134223. The reversal of 404134211 is 112431404.

It is a cyclic number.

It is not a de Polignac number, because 404134211 - 2⁶ = 404134147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404134261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555530 + ... + 556256.

It is an arithmetic number, because the mean of its divisors is an integer number (27724788).

Almost surely, 2^404134211 is an apocalyptic number.

404134211 is a deficient number, since it is larger than the sum of its proper divisors (39462397).

404134211 is a wasteful number, since it uses less digits than its factorization.

404134211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

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

The square root of 404134211 is about 20103.0895884190. The cubic root of 404134211 is about 739.3360315294.

Adding to 404134211 its reverse (112431404), we get a palindrome (516565615).

The spelling of 404134211 in words is "four hundred four million, one hundred thirty-four thousand, two hundred eleven".