404216204 has 12 divisors (see below), whose sum is σ = 808432464. Its totient is φ = 173235504.

The previous prime is 404216201. The next prime is 404216209. The reversal of 404216204 is 402612404.

404216204 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 404216204.

It is not an unprimeable number, because it can be changed into a prime (404216201) 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, 7218119 + ... + 7218174.

It is an arithmetic number, because the mean of its divisors is an integer number (67369372).

Almost surely, 2^404216204 is an apocalyptic number.

It is an amenable number.

404216204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404216204 is a wasteful number, since it uses less digits than its factorization.

404216204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14436304 (or 14436302 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 404216204 is about 20105.1287983937. The cubic root of 404216204 is about 739.3860283526.

Adding to 404216204 its reverse (402612404), we get a palindrome (806828608).

The spelling of 404216204 in words is "four hundred four million, two hundred sixteen thousand, two hundred four".