489418 has 8 divisors (see below), whose sum is σ = 741312. Its totient is φ = 242316.

The previous prime is 489409. The next prime is 489427. The reversal of 489418 is 814984.

It is an interprime number because it is at equal distance from previous prime (489409) and next prime (489427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930 + ... + 1357.

It is an arithmetic number, because the mean of its divisors is an integer number (92664).

2⁴⁸⁹⁴¹⁸ is an apocalyptic number.

489418 is a deficient number, since it is larger than the sum of its proper divisors (251894).

489418 is a wasteful number, since it uses less digits than its factorization.

489418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its digits is 9216, while the sum is 34.

The square root of 489418 is about 699.5841621992. The cubic root of 489418 is about 78.8061261095.

It can be divided in two parts, 489 and 418, that multiplied together give a palindrome (204402).

The spelling of 489418 in words is "four hundred eighty-nine thousand, four hundred eighteen".