304428770 has 8 divisors (see below), whose sum is σ = 547971804. Its totient is φ = 121771504.

The previous prime is 304428739. The next prime is 304428781. The reversal of 304428770 is 77824403.

It can be written as a sum of positive squares in 2 ways, for example, as 295530481 + 8898289 = 17191^2 + 2983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 304428770.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15221429 + ... + 15221448.

Almost surely, 2^304428770 is an apocalyptic number.

304428770 is a deficient number, since it is larger than the sum of its proper divisors (243543034).

304428770 is a wasteful number, since it uses less digits than its factorization.

304428770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30442884.

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 304428770 is about 17447.8872646518. The cubic root of 304428770 is about 672.7110543880.

The spelling of 304428770 in words is "three hundred four million, four hundred twenty-eight thousand, seven hundred seventy".