304480 has 48 divisors (see below), whose sum is σ = 789264. Its totient is φ = 110080.

The previous prime is 304477. The next prime is 304481. The reversal of 304480 is 84403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674 + ... + 1846.

It is an arithmetic number, because the mean of its divisors is an integer number (16443).

2³⁰⁴⁴⁸⁰ 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 304480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394632).

304480 is an abundant number, since it is smaller than the sum of its proper divisors (484784).

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

304480 is a wasteful number, since it uses less digits than its factorization.

304480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 304480 is about 551.7970641459. The cubic root of 304480 is about 67.2748787412.

Adding to 304480 its reverse (84403), we get a palindrome (388883).

It can be divided in two parts, 304 and 480, that added together give a square (784 = 28²).

The spelling of 304480 in words is "three hundred four thousand, four hundred eighty".