404112231 has 24 divisors (see below), whose sum is σ = 610621440. Its totient is φ = 257049936.

The previous prime is 404112229. The next prime is 404112239. The reversal of 404112231 is 132211404.

It is not a de Polignac number, because 404112231 - 2¹ = 404112229 is a prime.

It is a super-2 number, since 2×404112231² = 326613390487594722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404112239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88650 + ... + 93096.

It is an arithmetic number, because the mean of its divisors is an integer number (25442560).

Almost surely, 2^404112231 is an apocalyptic number.

404112231 is a deficient number, since it is larger than the sum of its proper divisors (206509209).

404112231 is a wasteful number, since it uses less digits than its factorization.

404112231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915 (or 4912 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 404112231 is about 20102.5428988474. The cubic root of 404112231 is about 739.3226276484.

Adding to 404112231 its reverse (132211404), we get a palindrome (536323635).

The spelling of 404112231 in words is "four hundred four million, one hundred twelve thousand, two hundred thirty-one".