8445419 has 2 divisors, whose sum is σ = 8445420. Its totient is φ = 8445418.

The previous prime is 8445377. The next prime is 8445421. The reversal of 8445419 is 9145448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8445419 - 2²⁰ = 7396843 is a prime.

It is a super-2 number, since 2×8445419² = 142650204171122, which contains 22 as substring.

Together with 8445421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8445449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222709 + 4222710.

It is an arithmetic number, because the mean of its divisors is an integer number (4222710).

Almost surely, 2^8445419 is an apocalyptic number.

8445419 is a deficient number, since it is larger than the sum of its proper divisors (1).

8445419 is an equidigital number, since it uses as much as digits as its factorization.

8445419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 35.

The square root of 8445419 is about 2906.1003079729. The cubic root of 8445419 is about 203.6449916202.

The spelling of 8445419 in words is "eight million, four hundred forty-five thousand, four hundred nineteen".