459646 has 16 divisors (see below), whose sum is σ = 797040. Its totient is φ = 196480.

The previous prime is 459631. The next prime is 459647. The reversal of 459646 is 646954.

It is a super-2 number, since 2×459646² = 422548890632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459647) by changing a digit.

459646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 241 + ... + 988.

It is an arithmetic number, because the mean of its divisors is an integer number (49815).

2⁴⁵⁹⁶⁴⁶ is an apocalyptic number.

459646 is a deficient number, since it is larger than the sum of its proper divisors (337394).

459646 is a wasteful number, since it uses less digits than its factorization.

459646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259.

The product of its digits is 25920, while the sum is 34.

The square root of 459646 is about 677.9719758220. The cubic root of 459646 is about 77.1746191633.

The spelling of 459646 in words is "four hundred fifty-nine thousand, six hundred forty-six".