489959 has 2 divisors, whose sum is σ = 489960. Its totient is φ = 489958.

The previous prime is 489943. The next prime is 489961. The reversal of 489959 is 959984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489959 - 2⁴ = 489943 is a prime.

It is a Sophie Germain prime.

Together with 489961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244979 + 244980.

It is an arithmetic number, because the mean of its divisors is an integer number (244980).

2⁴⁸⁹⁹⁵⁹ is an apocalyptic number.

489959 is a deficient number, since it is larger than the sum of its proper divisors (1).

489959 is an equidigital number, since it uses as much as digits as its factorization.

489959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 44.

The square root of 489959 is about 699.9707136731. The cubic root of 489959 is about 78.8351527048.

The spelling of 489959 in words is "four hundred eighty-nine thousand, nine hundred fifty-nine".