304021164 has 12 divisors (see below), whose sum is σ = 709382744. Its totient is φ = 101340384.

The previous prime is 304021163. The next prime is 304021169. The reversal of 304021164 is 461120403.

304021164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

304021164 is a modest number, since divided by 21164 gives 304 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 304021164.

It is not an unprimeable number, because it can be changed into a prime (304021163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12667537 + ... + 12667560.

Almost surely, 2^304021164 is an apocalyptic number.

It is an amenable number.

304021164 is an abundant number, since it is smaller than the sum of its proper divisors (405361580).

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

304021164 is a wasteful number, since it uses less digits than its factorization.

304021164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25335104 (or 25335102 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 304021164 is about 17436.2026829238. The cubic root of 304021164 is about 672.4106846923.

Adding to 304021164 its reverse (461120403), we get a palindrome (765141567).

The spelling of 304021164 in words is "three hundred four million, twenty-one thousand, one hundred sixty-four".