489545 has 16 divisors (see below), whose sum is σ = 684288. Its totient is φ = 329280.

The previous prime is 489539. The next prime is 489551. The reversal of 489545 is 545984.

It is an interprime number because it is at equal distance from previous prime (489539) and next prime (489551).

It is not a de Polignac number, because 489545 - 2⁴ = 489529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2387 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (42768).

2⁴⁸⁹⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

489545 is a deficient number, since it is larger than the sum of its proper divisors (194743).

489545 is a wasteful number, since it uses less digits than its factorization.

489545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280.

The product of its digits is 28800, while the sum is 35.

The square root of 489545 is about 699.6749245185. The cubic root of 489545 is about 78.8129420367.

The spelling of 489545 in words is "four hundred eighty-nine thousand, five hundred forty-five".