664030 has 8 divisors (see below), whose sum is σ = 1195272. Its totient is φ = 265608.

The previous prime is 664019. The next prime is 664043. The reversal of 664030 is 30466.

It is a happy number.

664030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 663989 and 664007.

It is a congruent number.

It is an unprimeable number.

664030 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33192 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (149409).

2⁶⁶⁴⁰³⁰ is an apocalyptic number.

664030 is a deficient number, since it is larger than the sum of its proper divisors (531242).

664030 is a wasteful number, since it uses less digits than its factorization.

664030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66410.

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

The square root of 664030 is about 814.8803593166. The cubic root of 664030 is about 87.2427272860.

Adding to 664030 its reverse (30466), we get a palindrome (694496).

It can be divided in two parts, 6640 and 30, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 664030 in words is "six hundred sixty-four thousand, thirty".