8424019 has 2 divisors, whose sum is σ = 8424020. Its totient is φ = 8424018.

The previous prime is 8423999. The next prime is 8424023. The reversal of 8424019 is 9104248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8424019 - 2⁹ = 8423507 is a prime.

It is a super-2 number, since 2×8424019² = 141928192224722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8424029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212009 + 4212010.

It is an arithmetic number, because the mean of its divisors is an integer number (4212010).

Almost surely, 2^8424019 is an apocalyptic number.

8424019 is a deficient number, since it is larger than the sum of its proper divisors (1).

8424019 is an equidigital number, since it uses as much as digits as its factorization.

8424019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8424019 is about 2902.4160625245. The cubic root of 8424019 is about 203.4728395556.

The spelling of 8424019 in words is "eight million, four hundred twenty-four thousand, nineteen".