8339491 has 2 divisors, whose sum is σ = 8339492. Its totient is φ = 8339490.

The previous prime is 8339489. The next prime is 8339519. The reversal of 8339491 is 1949338.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8339491 - 2¹ = 8339489 is a prime.

It is a super-2 number, since 2×8339491² = 139094220278162, which contains 22 as substring.

Together with 8339489, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8339491.

It is not a weakly prime, because it can be changed into another prime (8339411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4169745 + 4169746.

It is an arithmetic number, because the mean of its divisors is an integer number (4169746).

Almost surely, 2^8339491 is an apocalyptic number.

8339491 is a deficient number, since it is larger than the sum of its proper divisors (1).

8339491 is an equidigital number, since it uses as much as digits as its factorization.

8339491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 8339491 is about 2887.8176881514. The cubic root of 8339491 is about 202.7899904545.

The spelling of 8339491 in words is "eight million, three hundred thirty-nine thousand, four hundred ninety-one".