304540404 has 96 divisors (see below), whose sum is σ = 846913536. Its totient is φ = 83341440.

The previous prime is 304540403. The next prime is 304540427. The reversal of 304540404 is 404045403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304540403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278082 + ... + 279174.

It is an arithmetic number, because the mean of its divisors is an integer number (8822016).

Almost surely, 2^304540404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304540404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423456768).

304540404 is an abundant number, since it is smaller than the sum of its proper divisors (542373132).

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

304540404 is a wasteful number, since it uses less digits than its factorization.

304540404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 304540404 is about 17451.0860407025. The cubic root of 304540404 is about 672.7932720316.

Adding to 304540404 its reverse (404045403), we get a palindrome (708585807).

The spelling of 304540404 in words is "three hundred four million, five hundred forty thousand, four hundred four".