404604306 has 24 divisors (see below), whose sum is σ = 878339280. Its totient is φ = 134607096.

The previous prime is 404604289. The next prime is 404604307. The reversal of 404604306 is 603406404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404604306.

It is not an unprimeable number, because it can be changed into a prime (404604307) 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 11 ways as a sum of consecutive naturals, for example, 12076 + ... + 30903.

It is an arithmetic number, because the mean of its divisors is an integer number (36597470).

Almost surely, 2^404604306 is an apocalyptic number.

404604306 is an abundant number, since it is smaller than the sum of its proper divisors (473734974).

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

404604306 is a wasteful number, since it uses less digits than its factorization.

404604306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43510 (or 43507 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 404604306 is about 20114.7782985545. The cubic root of 404604306 is about 739.6225893838.

The spelling of 404604306 in words is "four hundred four million, six hundred four thousand, three hundred six".