489986 has 16 divisors (see below), whose sum is σ = 867840. Its totient is φ = 203040.

The previous prime is 489977. The next prime is 489989. The reversal of 489986 is 689984.

It is not an unprimeable number, because it can be changed into a prime (489989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 998.

It is an arithmetic number, because the mean of its divisors is an integer number (54240).

2⁴⁸⁹⁹⁸⁶ is an apocalyptic number.

489986 is a deficient number, since it is larger than the sum of its proper divisors (377854).

489986 is a wasteful number, since it uses less digits than its factorization.

489986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169.

The product of its digits is 124416, while the sum is 44.

The square root of 489986 is about 699.9899999286. The cubic root of 489986 is about 78.8366007920.

The spelling of 489986 in words is "four hundred eighty-nine thousand, nine hundred eighty-six".