304966728 has 128 divisors (see below), whose sum is σ = 949392000. Its totient is φ = 89890560.

The previous prime is 304966721. The next prime is 304966741. The reversal of 304966728 is 827669403.

It is not an unprimeable number, because it can be changed into a prime (304966721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86178 + ... + 89646.

It is an arithmetic number, because the mean of its divisors is an integer number (7417125).

Almost surely, 2^304966728 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 304966728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (474696000).

304966728 is an abundant number, since it is smaller than the sum of its proper divisors (644425272).

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

304966728 is a wasteful number, since it uses less digits than its factorization.

304966728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532 (or 3522 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 304966728 is about 17463.2965960039. The cubic root of 304966728 is about 673.1070718606.

The spelling of 304966728 in words is "three hundred four million, nine hundred sixty-six thousand, seven hundred twenty-eight".