304406620 has 72 divisors (see below), whose sum is σ = 769335840. Its totient is φ = 100759680.

The previous prime is 304406617. The next prime is 304406621. The reversal of 304406620 is 26604403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304406621) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23065 + ... + 33775.

It is an arithmetic number, because the mean of its divisors is an integer number (10685220).

Almost surely, 2^304406620 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 304406620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384667920).

304406620 is an abundant number, since it is smaller than the sum of its proper divisors (464929220).

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

304406620 is a wasteful number, since it uses less digits than its factorization.

304406620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763 (or 10754 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 304406620 is about 17447.2525057672. The cubic root of 304406620 is about 672.6947386816.

The spelling of 304406620 in words is "three hundred four million, four hundred six thousand, six hundred twenty".