489867 has 8 divisors (see below), whose sum is σ = 746496. Its totient is φ = 279912.

The previous prime is 489851. The next prime is 489869. The reversal of 489867 is 768984.

It is a happy number.

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

It is not a de Polignac number, because 489867 - 2⁴ = 489851 is a prime.

489867 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489869) 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, 11643 + ... + 11684.

It is an arithmetic number, because the mean of its divisors is an integer number (93312).

2⁴⁸⁹⁸⁶⁷ is an apocalyptic number.

489867 is a deficient number, since it is larger than the sum of its proper divisors (256629).

489867 is a wasteful number, since it uses less digits than its factorization.

489867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23337.

The product of its digits is 96768, while the sum is 42.

The square root of 489867 is about 699.9049935527. The cubic root of 489867 is about 78.8302180824.

The spelling of 489867 in words is "four hundred eighty-nine thousand, eight hundred sixty-seven".