304420464 has 80 divisors (see below), whose sum is σ = 882577440. Its totient is φ = 100454400.

The previous prime is 304420447. The next prime is 304420481. The reversal of 304420464 is 464024403.

It is an interprime number because it is at equal distance from previous prime (304420447) and next prime (304420481).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40144 + ... + 47120.

It is an arithmetic number, because the mean of its divisors is an integer number (11032218).

Almost surely, 2^304420464 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 304420464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441288720).

304420464 is an abundant number, since it is smaller than the sum of its proper divisors (578156976).

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

304420464 is a wasteful number, since it uses less digits than its factorization.

304420464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7095 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 304420464 is about 17447.6492399406. The cubic root of 304420464 is about 672.7049362750.

Adding to 304420464 its reverse (464024403), we get a palindrome (768444867).

The spelling of 304420464 in words is "three hundred four million, four hundred twenty thousand, four hundred sixty-four".