304285248 has 140 divisors (see below), whose sum is σ = 914643840. Its totient is φ = 100009728.

The previous prime is 304285213. The next prime is 304285249. The reversal of 304285248 is 842582403.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (304285249) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 409165 + ... + 409907.

Almost surely, 2^304285248 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 304285248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457321920).

304285248 is an abundant number, since it is smaller than the sum of its proper divisors (610358592).

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

304285248 is an equidigital number, since it uses as much as digits as its factorization.

304285248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 304285248 is about 17443.7739036024. The cubic root of 304285248 is about 672.6053219234.

The spelling of 304285248 in words is "three hundred four million, two hundred eighty-five thousand, two hundred forty-eight".