485669 has 4 divisors (see below), whose sum is σ = 492396. Its totient is φ = 478944.

The previous prime is 485657. The next prime is 485671. The reversal of 485669 is 966584.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113569 + 372100 = 337^2 + 610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485669 is a prime.

It is a super-2 number, since 2×485669² = 471748755122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485609) 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, 3254 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (123099).

2⁴⁸⁵⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

485669 is a deficient number, since it is larger than the sum of its proper divisors (6727).

485669 is an equidigital number, since it uses as much as digits as its factorization.

485669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726.

The product of its digits is 51840, while the sum is 38.

The square root of 485669 is about 696.8995623474. The cubic root of 485669 is about 78.6043886902.

The spelling of 485669 in words is "four hundred eighty-five thousand, six hundred sixty-nine".