304248 has 32 divisors (see below), whose sum is σ = 869760. Its totient is φ = 86880.

The previous prime is 304223. The next prime is 304253. The reversal of 304248 is 842403.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

304248 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738 + ... + 1073.

It is an arithmetic number, because the mean of its divisors is an integer number (27180).

2³⁰⁴²⁴⁸ is an apocalyptic number.

It is an amenable number.

304248 is an abundant number, since it is smaller than the sum of its proper divisors (565512).

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

304248 is a wasteful number, since it uses less digits than its factorization.

304248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827 (or 1823 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 304248 is about 551.5868018726. The cubic root of 304248 is about 67.2577875938.

It can be divided in two parts, 30 and 4248, that added together give a triangular number (4278 = T₉₂).

The spelling of 304248 in words is "three hundred four thousand, two hundred forty-eight".