459666 has 12 divisors (see below), whose sum is σ = 995982. Its totient is φ = 153216.

The previous prime is 459649. The next prime is 459671. The reversal of 459666 is 666954.

It is a happy number.

459666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 275625 + 184041 = 525^2 + 429^2 .

It is a super-2 number, since 2×459666² = 422585663112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459666.

It is an unprimeable number.

459666 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 5 ways as a sum of consecutive naturals, for example, 12751 + ... + 12786.

2⁴⁵⁹⁶⁶⁶ is an apocalyptic number.

459666 is an abundant number, since it is smaller than the sum of its proper divisors (536316).

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

459666 is a wasteful number, since it uses less digits than its factorization.

459666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25545 (or 25542 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 459666 is about 677.9867255338. The cubic root of 459666 is about 77.1757384812.

The spelling of 459666 in words is "four hundred fifty-nine thousand, six hundred sixty-six".