304381128 has 16 divisors (see below), whose sum is σ = 760952880. Its totient is φ = 101460368.

The previous prime is 304381127. The next prime is 304381153. The reversal of 304381128 is 821183403.

It is a junction number, because it is equal to n+sod(n) for n = 304381095 and 304381104.

It is not an unprimeable number, because it can be changed into a prime (304381127) 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, 6341250 + ... + 6341297.

It is an arithmetic number, because the mean of its divisors is an integer number (47559555).

Almost surely, 2^304381128 is an apocalyptic number.

It is an amenable number.

304381128 is an abundant number, since it is smaller than the sum of its proper divisors (456571752).

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

304381128 is a wasteful number, since it uses less digits than its factorization.

304381128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12682556 (or 12682552 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 304381128 is about 17446.5219456487. The cubic root of 304381128 is about 672.6759602760.

The spelling of 304381128 in words is "three hundred four million, three hundred eighty-one thousand, one hundred twenty-eight".