304241620 has 12 divisors (see below), whose sum is σ = 638907444. Its totient is φ = 121696640.

The previous prime is 304241617. The next prime is 304241647. The reversal of 304241620 is 26142403.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 205119684 + 99121936 = 14322^2 + 9956^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304241591 and 304241600.

It is a congruent number.

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, 7606021 + ... + 7606060.

It is an arithmetic number, because the mean of its divisors is an integer number (53242287).

Almost surely, 2^304241620 is an apocalyptic number.

It is an amenable number.

304241620 is an abundant number, since it is smaller than the sum of its proper divisors (334665824).

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

304241620 is a wasteful number, since it uses less digits than its factorization.

304241620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15212090 (or 15212088 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 304241620 is about 17442.5233266291. The cubic root of 304241620 is about 672.5731746452.

The spelling of 304241620 in words is "three hundred four million, two hundred forty-one thousand, six hundred twenty".