485189 has 4 divisors (see below), whose sum is σ = 486624. Its totient is φ = 483756.

The previous prime is 485171. The next prime is 485201. The reversal of 485189 is 981584.

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 485189 - 2¹² = 481093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104 + ... + 990.

It is an arithmetic number, because the mean of its divisors is an integer number (121656).

2⁴⁸⁵¹⁸⁹ is an apocalyptic number.

It is an amenable number.

485189 is a deficient number, since it is larger than the sum of its proper divisors (1435).

485189 is an equidigital number, since it uses as much as digits as its factorization.

485189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its digits is 11520, while the sum is 35.

The square root of 485189 is about 696.5550947341. Note that the first 3 decimals coincide. The cubic root of 485189 is about 78.5784845297.

The spelling of 485189 in words is "four hundred eighty-five thousand, one hundred eighty-nine".