8339489 has 2 divisors, whose sum is σ = 8339490. Its totient is φ = 8339488.

The previous prime is 8339453. The next prime is 8339491. The reversal of 8339489 is 9849338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 313600 = 2833^2 + 560^2 .

It is a cyclic number.

It is not a de Polignac number, because 8339489 - 2¹⁶ = 8273953 is a prime.

It is a super-2 number, since 2×8339489² = 139094153562242, which contains 22 as substring.

Together with 8339491, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8339449) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169744 + 4169745.

It is an arithmetic number, because the mean of its divisors is an integer number (4169745).

Almost surely, 2^8339489 is an apocalyptic number.

It is an amenable number.

8339489 is a deficient number, since it is larger than the sum of its proper divisors (1).

8339489 is an equidigital number, since it uses as much as digits as its factorization.

8339489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 8339489 is about 2887.8173418691. The cubic root of 8339489 is about 202.7899742433.

The spelling of 8339489 in words is "eight million, three hundred thirty-nine thousand, four hundred eighty-nine".