304699968 has 140 divisors (see below), whose sum is σ = 921097980. Its totient is φ = 99560448.

The previous prime is 304699963. The next prime is 304699973. The reversal of 304699968 is 869996403.

It is a happy number.

304699968 is a `hidden beast` number, since 30 + 469 + 99 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (304699963) and next prime (304699973).

It can be written as a sum of positive squares in 2 ways, for example, as 88962624 + 215737344 = 9432^2 + 14688^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (304699963) 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, 274198 + ... + 275306.

Almost surely, 2^304699968 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 304699968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460548990).

304699968 is an abundant number, since it is smaller than the sum of its proper divisors (616398012).

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

304699968 is a wasteful number, since it uses less digits than its factorization.

304699968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 54.

The square root of 304699968 is about 17455.6571918676. The cubic root of 304699968 is about 672.9107549013.

The spelling of 304699968 in words is "three hundred four million, six hundred ninety-nine thousand, nine hundred sixty-eight".