489045 has 8 divisors (see below), whose sum is σ = 782496. Its totient is φ = 260816.

The previous prime is 489043. The next prime is 489053. The reversal of 489045 is 540984.

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 489045 - 2¹ = 489043 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489045.

It is not an unprimeable number, because it can be changed into a prime (489043) 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, 16287 + ... + 16316.

It is an arithmetic number, because the mean of its divisors is an integer number (97812).

2⁴⁸⁹⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

489045 is a deficient number, since it is larger than the sum of its proper divisors (293451).

489045 is a wasteful number, since it uses less digits than its factorization.

489045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32611.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 489045 is about 699.3175244479. The cubic root of 489045 is about 78.7861008579.

The spelling of 489045 in words is "four hundred eighty-nine thousand, forty-five".