404321413 has 4 divisors (see below), whose sum is σ = 407407968. Its totient is φ = 401234860.

The previous prime is 404321399. The next prime is 404321417. The reversal of 404321413 is 314123404.

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 a cyclic number.

It is not a de Polignac number, because 404321413 - 2⁵ = 404321381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404321417) 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, 1543081 + ... + 1543342.

It is an arithmetic number, because the mean of its divisors is an integer number (101851992).

Almost surely, 2^404321413 is an apocalyptic number.

It is an amenable number.

404321413 is a deficient number, since it is larger than the sum of its proper divisors (3086555).

404321413 is a wasteful number, since it uses less digits than its factorization.

404321413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3086554.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 404321413 is about 20107.7450998365. The cubic root of 404321413 is about 739.4501716797.

Adding to 404321413 its reverse (314123404), we get a palindrome (718444817).

The spelling of 404321413 in words is "four hundred four million, three hundred twenty-one thousand, four hundred thirteen".