489586171 has 4 divisors (see below), whose sum is σ = 489630592. Its totient is φ = 489541752.

The previous prime is 489586081. The next prime is 489586267. The reversal of 489586171 is 171685984.

It is a semiprime because it is the product of two primes, 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 489586171 - 2²¹ = 487489019 is a prime.

It is a super-3 number, since 3×489586171³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489586571) 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, 8221 + ... + 32353.

It is an arithmetic number, because the mean of its divisors is an integer number (122407648).

Almost surely, 2^489586171 is an apocalyptic number.

489586171 is a deficient number, since it is larger than the sum of its proper divisors (44421).

489586171 is a wasteful number, since it uses less digits than its factorization.

489586171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44420.

The product of its digits is 483840, while the sum is 49.

The square root of 489586171 is about 22126.5942024524. The cubic root of 489586171 is about 788.1515137852.

The spelling of 489586171 in words is "four hundred eighty-nine million, five hundred eighty-six thousand, one hundred seventy-one".