7882489 has 2 divisors, whose sum is σ = 7882490. Its totient is φ = 7882488.

The previous prime is 7882471. The next prime is 7882529. The reversal of 7882489 is 9842887.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4272489 + 3610000 = 2067^2 + 1900^2 .

It is a cyclic number.

It is not a de Polignac number, because 7882489 - 2⁷ = 7882361 is a prime.

It is not a weakly prime, because it can be changed into another prime (7882289) 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, 3941244 + 3941245.

It is an arithmetic number, because the mean of its divisors is an integer number (3941245).

Almost surely, 2^7882489 is an apocalyptic number.

It is an amenable number.

7882489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7882489 is an equidigital number, since it uses as much as digits as its factorization.

7882489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 46.

The square root of 7882489 is about 2807.5770692895. The cubic root of 7882489 is about 199.0159074176.

The spelling of 7882489 in words is "seven million, eight hundred eighty-two thousand, four hundred eighty-nine".