304198428 has 12 divisors (see below), whose sum is σ = 709796360. Its totient is φ = 101399472.

The previous prime is 304198421. The next prime is 304198451. The reversal of 304198428 is 824891403.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304198421) 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, 12674923 + ... + 12674946.

Almost surely, 2^304198428 is an apocalyptic number.

It is an amenable number.

304198428 is an abundant number, since it is smaller than the sum of its proper divisors (405597932).

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

304198428 is a wasteful number, since it uses less digits than its factorization.

304198428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25349876 (or 25349874 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 304198428 is about 17441.2851590701. The cubic root of 304198428 is about 672.5413456059.

The spelling of 304198428 in words is "three hundred four million, one hundred ninety-eight thousand, four hundred twenty-eight".