8227985 has 16 divisors (see below), whose sum is σ = 10244880. Its totient is φ = 6339840.

The previous prime is 8227957. The next prime is 8227987. The reversal of 8227985 is 5897228.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 65536 + 8162449 = 256^2 + 2857^2 .

It is not a de Polignac number, because 8227985 - 2⁸ = 8227729 is a prime.

It is a d-powerful number, because it can be written as 8 + 2¹⁸ + 2²¹ + 7⁷ + 9⁷ + 8⁶ + 5² .

It is not an unprimeable number, because it can be changed into a prime (8227987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15911 + ... + 16419.

It is an arithmetic number, because the mean of its divisors is an integer number (640305).

Almost surely, 2^8227985 is an apocalyptic number.

It is an amenable number.

8227985 is a deficient number, since it is larger than the sum of its proper divisors (2016895).

8227985 is a wasteful number, since it uses less digits than its factorization.

8227985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628.

The product of its digits is 80640, while the sum is 41.

The square root of 8227985 is about 2868.4464436346. The cubic root of 8227985 is about 201.8821077926.

The spelling of 8227985 in words is "eight million, two hundred twenty-seven thousand, nine hundred eighty-five".