404311304 has 16 divisors (see below), whose sum is σ = 760905900. Its totient is φ = 201403072.

The previous prime is 404311217. The next prime is 404311307. The reversal of 404311304 is 403113404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 404090404 + 220900 = 20102^2 + 470^2 .

It is not an unprimeable number, because it can be changed into a prime (404311307) 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, 91787 + ... + 96090.

Almost surely, 2^404311304 is an apocalyptic number.

It is an amenable number.

404311304 is a deficient number, since it is larger than the sum of its proper divisors (356594596).

404311304 is a wasteful number, since it uses less digits than its factorization.

404311304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188152 (or 188148 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 404311304 is about 20107.4937274639. The cubic root of 404311304 is about 739.4440089555. Note that the first 3 decimals are identical.

Adding to 404311304 its reverse (403113404), we get a palindrome (807424708).

The spelling of 404311304 in words is "four hundred four million, three hundred eleven thousand, three hundred four".