304404426 has 32 divisors (see below), whose sum is σ = 677033280. Its totient is φ = 101381328.

The previous prime is 304404403. The next prime is 304404437. The reversal of 304404426 is 624404403.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 304404426.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105880 + ... + 108716.

It is an arithmetic number, because the mean of its divisors is an integer number (21157290).

Almost surely, 2^304404426 is an apocalyptic number.

304404426 is an abundant number, since it is smaller than the sum of its proper divisors (372628854).

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

304404426 is a wasteful number, since it uses less digits than its factorization.

304404426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4835 (or 4829 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 304404426 is about 17447.1896304247. The cubic root of 304404426 is about 672.6931225365.

Adding to 304404426 its reverse (624404403), we get a palindrome (928808829).

The spelling of 304404426 in words is "three hundred four million, four hundred four thousand, four hundred twenty-six".