664234300 has 72 divisors (see below), whose sum is σ = 1538356400. Its totient is φ = 248209920.

The previous prime is 664234289. The next prime is 664234349. The reversal of 664234300 is 3432466.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 136306 + ... + 141094.

Almost surely, 2^664234300 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 664234300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769178200).

664234300 is an abundant number, since it is smaller than the sum of its proper divisors (874122100).

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

664234300 is a wasteful number, since it uses less digits than its factorization.

664234300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4888 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 664234300 is about 25772.7433541717. The cubic root of 664234300 is about 872.5167359948.

Adding to 664234300 its reverse (3432466), we get a palindrome (667666766).

The spelling of 664234300 in words is "six hundred sixty-four million, two hundred thirty-four thousand, three hundred".