8285993 has 2 divisors, whose sum is σ = 8285994. Its totient is φ = 8285992.

The previous prime is 8285983. The next prime is 8286001. The reversal of 8285993 is 3995828.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5938969 + 2347024 = 2437^2 + 1532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8285993 is a prime.

It is not a weakly prime, because it can be changed into another prime (8285903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4142996 + 4142997.

It is an arithmetic number, because the mean of its divisors is an integer number (4142997).

Almost surely, 2^8285993 is an apocalyptic number.

It is an amenable number.

8285993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8285993 is an equidigital number, since it uses as much as digits as its factorization.

8285993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 8285993 is about 2878.5400813607. The cubic root of 8285993 is about 202.3554259433.

The spelling of 8285993 in words is "eight million, two hundred eighty-five thousand, nine hundred ninety-three".