84230039 has 2 divisors, whose sum is σ = 84230040. Its totient is φ = 84230038.

The previous prime is 84230023. The next prime is 84230051. The reversal of 84230039 is 93003248.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84230039 - 2⁴ = 84230023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84229993 and 84230020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84230009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42115019 + 42115020.

It is an arithmetic number, because the mean of its divisors is an integer number (42115020).

Almost surely, 2^84230039 is an apocalyptic number.

84230039 is a deficient number, since it is larger than the sum of its proper divisors (1).

84230039 is an equidigital number, since it uses as much as digits as its factorization.

84230039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 84230039 is about 9177.6924659742. The cubic root of 84230039 is about 438.3513353923.

The spelling of 84230039 in words is "eighty-four million, two hundred thirty thousand, thirty-nine".