489399 has 8 divisors (see below), whose sum is σ = 670320. Its totient is φ = 317376.

The previous prime is 489389. The next prime is 489407. The reversal of 489399 is 993984.

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

It is not a de Polignac number, because 489399 - 2⁵ = 489367 is a prime.

It is a super-2 number, since 2×489399² = 479022762402, which contains 22 as substring.

489399 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 489399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489329) 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, 2094 + ... + 2315.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

2⁴⁸⁹³⁹⁹ is an apocalyptic number.

489399 is a deficient number, since it is larger than the sum of its proper divisors (180921).

489399 is a wasteful number, since it uses less digits than its factorization.

489399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449.

The product of its digits is 69984, while the sum is 42.

The square root of 489399 is about 699.5705825719. The cubic root of 489399 is about 78.8051063024.

It can be divided in two parts, 489 and 399, that added together give a palindrome (888).

The spelling of 489399 in words is "four hundred eighty-nine thousand, three hundred ninety-nine".