404244205 has 8 divisors (see below), whose sum is σ = 506184192. Its totient is φ = 309334608.

The previous prime is 404244193. The next prime is 404244263. The reversal of 404244205 is 502442404.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404244205 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404244205.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1757469 + ... + 1757698.

It is an arithmetic number, because the mean of its divisors is an integer number (63273024).

Almost surely, 2^404244205 is an apocalyptic number.

It is an amenable number.

404244205 is a deficient number, since it is larger than the sum of its proper divisors (101939987).

404244205 is a wasteful number, since it uses less digits than its factorization.

404244205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3515195.

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 404244205 is about 20105.8251509357. The cubic root of 404244205 is about 739.4031009571.

Adding to 404244205 its reverse (502442404), we get a palindrome (906686609).

The spelling of 404244205 in words is "four hundred four million, two hundred forty-four thousand, two hundred five".