487489 has 2 divisors, whose sum is σ = 487490. Its totient is φ = 487488.

The previous prime is 487481. The next prime is 487507. The reversal of 487489 is 984784.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313600 + 173889 = 560^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 487489 - 2³ = 487481 is a prime.

It is not a weakly prime, because it can be changed into another prime (487481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243744 + 243745.

It is an arithmetic number, because the mean of its divisors is an integer number (243745).

2⁴⁸⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

487489 is a deficient number, since it is larger than the sum of its proper divisors (1).

487489 is an equidigital number, since it uses as much as digits as its factorization.

487489 is an evil number, because the sum of its binary digits is even.

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

The square root of 487489 is about 698.2041248804. The cubic root of 487489 is about 78.7024538726.

The spelling of 487489 in words is "four hundred eighty-seven thousand, four hundred eighty-nine".