404412193 has 4 divisors (see below), whose sum is σ = 405278640. Its totient is φ = 403545748.

The previous prime is 404412187. The next prime is 404412199. The reversal of 404412193 is 391214404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (404412187) and next prime (404412199).

It is a cyclic number.

It is not a de Polignac number, because 404412193 - 2⁵ = 404412161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404412199) 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 3 ways as a sum of consecutive naturals, for example, 432523 + ... + 433456.

It is an arithmetic number, because the mean of its divisors is an integer number (101319660).

Almost surely, 2^404412193 is an apocalyptic number.

It is an amenable number.

404412193 is a deficient number, since it is larger than the sum of its proper divisors (866447).

404412193 is an equidigital number, since it uses as much as digits as its factorization.

404412193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866446.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 404412193 is about 20110.0023122823. The cubic root of 404412193 is about 739.5055090599.

Adding to 404412193 its reverse (391214404), we get a palindrome (795626597).

The spelling of 404412193 in words is "four hundred four million, four hundred twelve thousand, one hundred ninety-three".