304144920 has 48 divisors (see below), whose sum is σ = 988472160. Its totient is φ = 81105216.

The previous prime is 304144903. The next prime is 304144931. The reversal of 304144920 is 29441403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 422064 + ... + 422783.

It is an arithmetic number, because the mean of its divisors is an integer number (20593170).

Almost surely, 2^304144920 is an apocalyptic number.

304144920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

304144920 is an abundant number, since it is smaller than the sum of its proper divisors (684327240).

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

304144920 is a wasteful number, since it uses less digits than its factorization.

304144920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844864 (or 844857 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 304144920 is about 17439.7511450135. The cubic root of 304144920 is about 672.5019103238.

It can be divided in two parts, 3041 and 44920, that added together give a square (47961 = 219²).

The spelling of 304144920 in words is "three hundred four million, one hundred forty-four thousand, nine hundred twenty".