479189 has 2 divisors, whose sum is σ = 479190. Its totient is φ = 479188.

The previous prime is 479153. The next prime is 479191. The reversal of 479189 is 981974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 432964 + 46225 = 658^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 479189 - 2¹² = 475093 is a prime.

Together with 479191, 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 (479489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239594 + 239595.

It is an arithmetic number, because the mean of its divisors is an integer number (239595).

2⁴⁷⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

479189 is a deficient number, since it is larger than the sum of its proper divisors (1).

479189 is an equidigital number, since it uses as much as digits as its factorization.

479189 is an odious number, because the sum of its binary digits is odd.

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

The square root of 479189 is about 692.2347867595. The cubic root of 479189 is about 78.2532313309.

The spelling of 479189 in words is "four hundred seventy-nine thousand, one hundred eighty-nine".