489887 has 2 divisors, whose sum is σ = 489888. Its totient is φ = 489886.

The previous prime is 489871. The next prime is 489901. The reversal of 489887 is 788984.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489887 - 2⁴ = 489871 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244943 + 244944.

It is an arithmetic number, because the mean of its divisors is an integer number (244944).

2⁴⁸⁹⁸⁸⁷ is an apocalyptic number.

489887 is a deficient number, since it is larger than the sum of its proper divisors (1).

489887 is an equidigital number, since it uses as much as digits as its factorization.

489887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 44.

The square root of 489887 is about 699.9192810603. The cubic root of 489887 is about 78.8312908789.

The spelling of 489887 in words is "four hundred eighty-nine thousand, eight hundred eighty-seven".