8466385 has 4 divisors (see below), whose sum is σ = 10159668. Its totient is φ = 6773104.

The previous prime is 8466361. The next prime is 8466389. The reversal of 8466385 is 5836648.

8466385 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6635776 + 1830609 = 2576^2 + 1353^2 .

It is a cyclic number.

It is not a de Polignac number, because 8466385 - 2¹³ = 8458193 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

8466385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8466389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 846634 + ... + 846643.

It is an arithmetic number, because the mean of its divisors is an integer number (2539917).

Almost surely, 2^8466385 is an apocalyptic number.

It is an amenable number.

8466385 is a deficient number, since it is larger than the sum of its proper divisors (1693283).

8466385 is a wasteful number, since it uses less digits than its factorization.

8466385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693282.

The product of its digits is 138240, while the sum is 40.

The square root of 8466385 is about 2909.7053115393. The cubic root of 8466385 is about 203.8133705803.

It can be divided in two parts, 84663 and 85, that added together give a palindrome (84748).

The spelling of 8466385 in words is "eight million, four hundred sixty-six thousand, three hundred eighty-five".