84006305 has 8 divisors (see below), whose sum is σ = 103152192. Its totient is φ = 65641968.

The previous prime is 84006287. The next prime is 84006319. The reversal of 84006305 is 50360048.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84006305 - 2²⁴ = 67229089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 195149 + ... + 195578.

It is an arithmetic number, because the mean of its divisors is an integer number (12894024).

Almost surely, 2^84006305 is an apocalyptic number.

It is an amenable number.

84006305 is a deficient number, since it is larger than the sum of its proper divisors (19145887).

84006305 is a wasteful number, since it uses less digits than its factorization.

84006305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390775.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 84006305 is about 9165.4953494069. The cubic root of 84006305 is about 437.9628712020.

The spelling of 84006305 in words is "eighty-four million, six thousand, three hundred five".