489136 has 20 divisors (see below), whose sum is σ = 998200. Its totient is φ = 231552.

The previous prime is 489133. The next prime is 489157. The reversal of 489136 is 631984.

It is a junction number, because it is equal to n+sod(n) for n = 489098 and 489107.

It is not an unprimeable number, because it can be changed into a prime (489133) 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, 501 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (49910).

2⁴⁸⁹¹³⁶ is an apocalyptic number.

It is an amenable number.

489136 is an abundant number, since it is smaller than the sum of its proper divisors (509064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489136 is a wasteful number, since it uses less digits than its factorization.

489136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636 (or 1630 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 489136 is about 699.3825848561. The cubic root of 489136 is about 78.7909873138.

It can be divided in two parts, 489 and 136, that added together give a 4-th power (625 = 5⁴).

The spelling of 489136 in words is "four hundred eighty-nine thousand, one hundred thirty-six".