84385205 has 8 divisors (see below), whose sum is σ = 101498712. Its totient is φ = 67350528.

The previous prime is 84385201. The next prime is 84385211. The reversal of 84385205 is 50258348.

It can be written as a sum of positive squares in 4 ways, for example, as 2337841 + 82047364 = 1529^2 + 9058^2 .

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 84385205 - 2² = 84385201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84385201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17324 + ... + 21653.

It is an arithmetic number, because the mean of its divisors is an integer number (12687339).

Almost surely, 2^84385205 is an apocalyptic number.

It is an amenable number.

84385205 is a deficient number, since it is larger than the sum of its proper divisors (17113507).

84385205 is a wasteful number, since it uses less digits than its factorization.

84385205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39415.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 84385205 is about 9186.1420084821. The cubic root of 84385205 is about 438.6203427456.

The spelling of 84385205 in words is "eighty-four million, three hundred eighty-five thousand, two hundred five".