485869 has 4 divisors (see below), whose sum is σ = 487296. Its totient is φ = 484444.

The previous prime is 485833. The next prime is 485893. The reversal of 485869 is 968584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 485869 - 2¹³ = 477677 is a prime.

It is a super-2 number, since 2×485869² = 472137370322, 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 (485819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (121824).

2⁴⁸⁵⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

485869 is a deficient number, since it is larger than the sum of its proper divisors (1427).

485869 is an equidigital number, since it uses as much as digits as its factorization.

485869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 69120, while the sum is 40.

The square root of 485869 is about 697.0430402780. The cubic root of 485869 is about 78.6151770531.

The spelling of 485869 in words is "four hundred eighty-five thousand, eight hundred sixty-nine".