479489 has 2 divisors, whose sum is σ = 479490. Its totient is φ = 479488.

The previous prime is 479473. The next prime is 479497. The reversal of 479489 is 984974.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 478864 + 625 = 692^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 479489 - 2⁴ = 479473 is a prime.

It is a super-2 number, since 2×479489² = 459819402242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (479419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239744 + 239745.

It is an arithmetic number, because the mean of its divisors is an integer number (239745).

2⁴⁷⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

479489 is a deficient number, since it is larger than the sum of its proper divisors (1).

479489 is an equidigital number, since it uses as much as digits as its factorization.

479489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 479489 is about 692.4514423409. The cubic root of 479489 is about 78.2695582722.

The spelling of 479489 in words is "four hundred seventy-nine thousand, four hundred eighty-nine".