304243968 has 144 divisors (see below), whose sum is σ = 980138880. Its totient is φ = 81788928.

The previous prime is 304243949. The next prime is 304243981. The reversal of 304243968 is 869342403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89728 + ... + 93056.

It is an arithmetic number, because the mean of its divisors is an integer number (6806520).

Almost surely, 2^304243968 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 304243968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490069440).

304243968 is an abundant number, since it is smaller than the sum of its proper divisors (675894912).

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

304243968 is a wasteful number, since it uses less digits than its factorization.

304243968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 304243968 is about 17442.5906332746. The cubic root of 304243968 is about 672.5749048465.

The spelling of 304243968 in words is "three hundred four million, two hundred forty-three thousand, nine hundred sixty-eight".