8493637 has 2 divisors, whose sum is σ = 8493638. Its totient is φ = 8493636.

The previous prime is 8493631. The next prime is 8493649. The reversal of 8493637 is 7363948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6180196 + 2313441 = 2486^2 + 1521^2 .

It is a cyclic number.

It is not a de Polignac number, because 8493637 - 2¹¹ = 8491589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8493637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8493631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246818 + 4246819.

It is an arithmetic number, because the mean of its divisors is an integer number (4246819).

Almost surely, 2^8493637 is an apocalyptic number.

It is an amenable number.

8493637 is a deficient number, since it is larger than the sum of its proper divisors (1).

8493637 is an equidigital number, since it uses as much as digits as its factorization.

8493637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 8493637 is about 2914.3844976255. The cubic root of 8493637 is about 204.0318177336.

The spelling of 8493637 in words is "eight million, four hundred ninety-three thousand, six hundred thirty-seven".