404434413 has 12 divisors (see below), whose sum is σ = 584700480. Its totient is φ = 269384136.

The previous prime is 404434379. The next prime is 404434441. The reversal of 404434413 is 314434404.

It is not a de Polignac number, because 404434413 - 2⁹ = 404433901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404434313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8853 + ... + 29786.

It is an arithmetic number, because the mean of its divisors is an integer number (48725040).

Almost surely, 2^404434413 is an apocalyptic number.

It is an amenable number.

404434413 is a deficient number, since it is larger than the sum of its proper divisors (180266067).

404434413 is a wasteful number, since it uses less digits than its factorization.

404434413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39808 (or 39805 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 404434413 is about 20110.5547660924. The cubic root of 404434413 is about 739.5190525944.

Adding to 404434413 its reverse (314434404), we get a palindrome (718868817).

Subtracting from 404434413 its reverse (314434404), we obtain a palindrome (90000009).

The spelling of 404434413 in words is "four hundred four million, four hundred thirty-four thousand, four hundred thirteen".