489487 has 2 divisors, whose sum is σ = 489488. Its totient is φ = 489486.

The previous prime is 489479. The next prime is 489493. The reversal of 489487 is 784984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489487 - 2³ = 489479 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489407) 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, 244743 + 244744.

It is an arithmetic number, because the mean of its divisors is an integer number (244744).

2⁴⁸⁹⁴⁸⁷ is an apocalyptic number.

489487 is a deficient number, since it is larger than the sum of its proper divisors (1).

489487 is an equidigital number, since it uses as much as digits as its factorization.

489487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 40.

The square root of 489487 is about 699.6334754713. The cubic root of 489487 is about 78.8098293973.

The spelling of 489487 in words is "four hundred eighty-nine thousand, four hundred eighty-seven".