8479489 has 2 divisors, whose sum is σ = 8479490. Its totient is φ = 8479488.

The previous prime is 8479477. The next prime is 8479511. The reversal of 8479489 is 9849748.

8479489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5919489 + 2560000 = 2433^2 + 1600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8479489 is a prime.

It is a super-2 number, since 2×8479489² = 143803467402242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8470489) 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, 4239744 + 4239745.

It is an arithmetic number, because the mean of its divisors is an integer number (4239745).

Almost surely, 2^8479489 is an apocalyptic number.

It is an amenable number.

8479489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8479489 is an equidigital number, since it uses as much as digits as its factorization.

8479489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 49.

The square root of 8479489 is about 2911.9562153302. The cubic root of 8479489 is about 203.9184683161.

The spelling of 8479489 in words is "eight million, four hundred seventy-nine thousand, four hundred eighty-nine".