8214385 has 8 divisors (see below), whose sum is σ = 9918720. Its totient is φ = 6530544.

The previous prime is 8214379. The next prime is 8214389. The reversal of 8214385 is 5834128.

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 8214385 - 2³ = 8214377 is a prime.

It is a super-2 number, since 2×8214385² = 134952241856450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8214389) 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, 4225 + ... + 5854.

It is an arithmetic number, because the mean of its divisors is an integer number (1239840).

Almost surely, 2^8214385 is an apocalyptic number.

It is an amenable number.

8214385 is a deficient number, since it is larger than the sum of its proper divisors (1704335).

8214385 is a wasteful number, since it uses less digits than its factorization.

8214385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10247.

The product of its digits is 7680, while the sum is 31.

The square root of 8214385 is about 2866.0748420095. The cubic root of 8214385 is about 201.7708164381.

It can be divided in two parts, 82143 and 85, that added together give a palindrome (82228).

The spelling of 8214385 in words is "eight million, two hundred fourteen thousand, three hundred eighty-five".