304500064 has 24 divisors (see below), whose sum is σ = 653983848. Its totient is φ = 138408960.

The previous prime is 304500041. The next prime is 304500067. The reversal of 304500064 is 460005403.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304500067) 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 3 ways as a sum of consecutive naturals, for example, 432177 + ... + 432880.

It is an arithmetic number, because the mean of its divisors is an integer number (27249327).

Almost surely, 2^304500064 is an apocalyptic number.

It is an amenable number.

304500064 is an abundant number, since it is smaller than the sum of its proper divisors (349483784).

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

304500064 is a wasteful number, since it uses less digits than its factorization.

304500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865078 (or 865070 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 304500064 is about 17449.9302004335. The cubic root of 304500064 is about 672.7635642285.

Adding to 304500064 its reverse (460005403), we get a palindrome (764505467).

The spelling of 304500064 in words is "three hundred four million, five hundred thousand, sixty-four".