489149 has 6 divisors (see below), whose sum is σ = 506430. Its totient is φ = 472440.

The previous prime is 489133. The next prime is 489157. The reversal of 489149 is 941984.

It can be written as a sum of positive squares in only one way, i.e., 465124 + 24025 = 682^2 + 155^2 .

It is not a de Polignac number, because 489149 - 2⁴ = 489133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 707 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (84405).

2⁴⁸⁹¹⁴⁹ is an apocalyptic number.

It is an amenable number.

489149 is a deficient number, since it is larger than the sum of its proper divisors (17281).

489149 is an equidigital number, since it uses as much as digits as its factorization.

489149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 540 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 489149 is about 699.3918787061. The cubic root of 489149 is about 78.7916853295.

The spelling of 489149 in words is "four hundred eighty-nine thousand, one hundred forty-nine".