8968637 has 2 divisors, whose sum is σ = 8968638. Its totient is φ = 8968636.

The previous prime is 8968601. The next prime is 8968651. The reversal of 8968637 is 7368698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8916196 + 52441 = 2986^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 8968637 - 2⁶ = 8968573 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8968591 and 8968600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8968657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4484318 + 4484319.

It is an arithmetic number, because the mean of its divisors is an integer number (4484319).

Almost surely, 2^8968637 is an apocalyptic number.

It is an amenable number.

8968637 is a deficient number, since it is larger than the sum of its proper divisors (1).

8968637 is an equidigital number, since it uses as much as digits as its factorization.

8968637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 47.

The square root of 8968637 is about 2994.7682715028. The cubic root of 8968637 is about 207.7664800993.

The spelling of 8968637 in words is "eight million, nine hundred sixty-eight thousand, six hundred thirty-seven".