459869 has 4 divisors (see below), whose sum is σ = 461244. Its totient is φ = 458496.

The previous prime is 459847. The next prime is 459883. The reversal of 459869 is 968954.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 375769 + 84100 = 613^2 + 290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-459869 is a prime.

It is a super-2 number, since 2×459869² = 422958994322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (115311).

2⁴⁵⁹⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

459869 is a deficient number, since it is larger than the sum of its proper divisors (1375).

459869 is an equidigital number, since it uses as much as digits as its factorization.

459869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374.

The product of its digits is 77760, while the sum is 41.

The square root of 459869 is about 678.1364169546. The cubic root of 459869 is about 77.1870977212.

The spelling of 459869 in words is "four hundred fifty-nine thousand, eight hundred sixty-nine".