459643 has 4 divisors (see below), whose sum is σ = 461160. Its totient is φ = 458128.

The previous prime is 459631. The next prime is 459647. The reversal of 459643 is 346954.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 459643 - 2⁵ = 459611 is a prime.

It is a super-2 number, since 2×459643² = 422543374898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459647) 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, 130 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (115290).

2⁴⁵⁹⁶⁴³ is an apocalyptic number.

459643 is a deficient number, since it is larger than the sum of its proper divisors (1517).

459643 is a wasteful number, since it uses less digits than its factorization.

459643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516.

The product of its digits is 12960, while the sum is 31.

The square root of 459643 is about 677.9697633376. The cubic root of 459643 is about 77.1744512628.

The spelling of 459643 in words is "four hundred fifty-nine thousand, six hundred forty-three".