304303120 has 80 divisors (see below), whose sum is σ = 785039040. Its totient is φ = 108761600.

The previous prime is 304303093. The next prime is 304303121. The reversal of 304303120 is 21303403.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 304303094 and 304303103.

It is not an unprimeable number, because it can be changed into a prime (304303121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48990 + ... + 54850.

It is an arithmetic number, because the mean of its divisors is an integer number (9812988).

Almost surely, 2^304303120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304303120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392519520).

304303120 is an abundant number, since it is smaller than the sum of its proper divisors (480735920).

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

304303120 is a wasteful number, since it uses less digits than its factorization.

304303120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5944 (or 5938 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 304303120 is about 17444.2861705488. The cubic root of 304303120 is about 672.6184900138.

Adding to 304303120 its reverse (21303403), we get a palindrome (325606523).

The spelling of 304303120 in words is "three hundred four million, three hundred three thousand, one hundred twenty".