664300 has 72 divisors (see below), whose sum is σ = 1798496. Its totient is φ = 207360.

The previous prime is 664289. The next prime is 664319. The reversal of 664300 is 3466.

It is a happy number.

664300 is nontrivially palindromic in base 3 and base 9.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9064 + ... + 9136.

2⁶⁶⁴³⁰⁰ 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 664300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899248).

664300 is an abundant number, since it is smaller than the sum of its proper divisors (1134196).

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

664300 is a wasteful number, since it uses less digits than its factorization.

664300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 664300 is about 815.0460109712. The cubic root of 664300 is about 87.2545502179.

Adding to 664300 its reverse (3466), we get a palindrome (667766).

The spelling of 664300 in words is "six hundred sixty-four thousand, three hundred".