489767 has 4 divisors (see below), whose sum is σ = 495360. Its totient is φ = 484176.

The previous prime is 489761. The next prime is 489791. The reversal of 489767 is 767984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489767 - 2¹⁰ = 488743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2663 + ... + 2840.

It is an arithmetic number, because the mean of its divisors is an integer number (123840).

2⁴⁸⁹⁷⁶⁷ is an apocalyptic number.

489767 is a deficient number, since it is larger than the sum of its proper divisors (5593).

489767 is an equidigital number, since it uses as much as digits as its factorization.

489767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5592.

The product of its digits is 84672, while the sum is 41.

The square root of 489767 is about 699.8335516392. The cubic root of 489767 is about 78.8248536615.

The spelling of 489767 in words is "four hundred eighty-nine thousand, seven hundred sixty-seven".