304448 has 28 divisors (see below), whose sum is σ = 621792. Its totient is φ = 147840.

The previous prime is 304439. The next prime is 304457. The reversal of 304448 is 844403.

It is an interprime number because it is at equal distance from previous prime (304439) and next prime (304457).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4253 + ... + 4323.

2³⁰⁴⁴⁴⁸ 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 304448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310896).

304448 is an abundant number, since it is smaller than the sum of its proper divisors (317344).

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

304448 is an equidigital number, since it uses as much as digits as its factorization.

304448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 304448 is about 551.7680672167. The cubic root of 304448 is about 67.2725218578.

The spelling of 304448 in words is "three hundred four thousand, four hundred forty-eight".