459669 has 24 divisors (see below), whose sum is σ = 738720. Its totient is φ = 253344.

The previous prime is 459649. The next prime is 459671. The reversal of 459669 is 966954.

It is not a de Polignac number, because 459669 - 2¹¹ = 457621 is a prime.

It is a super-2 number, since 2×459669² = 422591179122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 4⁹ + 5⁷ + 6 + 9⁵ + 6⁴ + 9⁵ .

459669 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (459619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7762 + ... + 7820.

It is an arithmetic number, because the mean of its divisors is an integer number (30780).

2⁴⁵⁹⁶⁶⁹ is an apocalyptic number.

459669 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

459669 is a deficient number, since it is larger than the sum of its proper divisors (279051).

459669 is a wasteful number, since it uses less digits than its factorization.

459669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 122 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 459669 is about 677.9889379629. The cubic root of 459669 is about 77.1759063761.

It can be divided in two parts, 459 and 669, that added together give a triangular number (1128 = T₄₇).

The spelling of 459669 in words is "four hundred fifty-nine thousand, six hundred sixty-nine".