489179 has 2 divisors, whose sum is σ = 489180. Its totient is φ = 489178.

The previous prime is 489161. The next prime is 489191. The reversal of 489179 is 971984.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489179 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (489109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244589 + 244590.

It is an arithmetic number, because the mean of its divisors is an integer number (244590).

2⁴⁸⁹¹⁷⁹ is an apocalyptic number.

489179 is a deficient number, since it is larger than the sum of its proper divisors (1).

489179 is an equidigital number, since it uses as much as digits as its factorization.

489179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 489179 is about 699.4133255808. The cubic root of 489179 is about 78.7932960877.

The spelling of 489179 in words is "four hundred eighty-nine thousand, one hundred seventy-nine".