489505 has 8 divisors (see below), whose sum is σ = 600192. Its totient is φ = 383088.

The previous prime is 489493. The next prime is 489529. The reversal of 489505 is 505984.

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

It is a cyclic number.

It is not a de Polignac number, because 489505 - 2⁹ = 488993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807 + ... + 1276.

It is an arithmetic number, because the mean of its divisors is an integer number (75024).

2⁴⁸⁹⁵⁰⁵ is an apocalyptic number.

It is an amenable number.

489505 is a deficient number, since it is larger than the sum of its proper divisors (110687).

489505 is a wasteful number, since it uses less digits than its factorization.

489505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 489505 is about 699.6463392315. The cubic root of 489505 is about 78.8107954152.

The spelling of 489505 in words is "four hundred eighty-nine thousand, five hundred five".