84214019 has 2 divisors, whose sum is σ = 84214020. Its totient is φ = 84214018.

The previous prime is 84214007. The next prime is 84214021. The reversal of 84214019 is 91041248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84214019 - 2⁴ = 84214003 is a prime.

It is a super-2 number, since 2×84214019² = 14184001992264722, which contains 22 as substring.

Together with 84214021, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84213982 and 84214000.

It is not a weakly prime, because it can be changed into another prime (84214069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42107009 + 42107010.

It is an arithmetic number, because the mean of its divisors is an integer number (42107010).

Almost surely, 2^84214019 is an apocalyptic number.

84214019 is a deficient number, since it is larger than the sum of its proper divisors (1).

84214019 is an equidigital number, since it uses as much as digits as its factorization.

84214019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 84214019 is about 9176.8196560682. The cubic root of 84214019 is about 438.3235431156.

The spelling of 84214019 in words is "eighty-four million, two hundred fourteen thousand, nineteen".