489673 has 2 divisors, whose sum is σ = 489674. Its totient is φ = 489672.

The previous prime is 489659. The next prime is 489677. The reversal of 489673 is 376984.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 262144 + 227529 = 512^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 489673 - 2⁹ = 489161 is a prime.

489673 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (489677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244836 + 244837.

It is an arithmetic number, because the mean of its divisors is an integer number (244837).

2⁴⁸⁹⁶⁷³ is an apocalyptic number.

It is an amenable number.

489673 is a deficient number, since it is larger than the sum of its proper divisors (1).

489673 is an equidigital number, since it uses as much as digits as its factorization.

489673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 489673 is about 699.7663895901. The cubic root of 489673 is about 78.8198104400.

The spelling of 489673 in words is "four hundred eighty-nine thousand, six hundred seventy-three".