485632189 has 12 divisors (see below), whose sum is σ = 589482144. Its totient is φ = 398157144.

The previous prime is 485632151. The next prime is 485632193. The reversal of 485632189 is 981236584.

It is not a de Polignac number, because 485632189 - 2¹⁹ = 485107901 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 (485638189) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214327 + ... + 216580.

It is an arithmetic number, because the mean of its divisors is an integer number (49123512).

Almost surely, 2^485632189 is an apocalyptic number.

485632189 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

485632189 is a deficient number, since it is larger than the sum of its proper divisors (103849955).

485632189 is a wasteful number, since it uses less digits than its factorization.

485632189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430944 (or 430937 counting only the distinct ones).

The product of its digits is 414720, while the sum is 46.

The square root of 485632189 is about 22037.0639832079. The cubic root of 485632189 is about 786.0240271539.

The spelling of 485632189 in words is "four hundred eighty-five million, six hundred thirty-two thousand, one hundred eighty-nine".