4247693 has 2 divisors, whose sum is σ = 4247694. Its totient is φ = 4247692.

The previous prime is 4247689. The next prime is 4247707. The reversal of 4247693 is 3967424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4153444 + 94249 = 2038^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4247693 - 2² = 4247689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4² + 2¹¹ + 4¹¹ + 7⁴ + 6⁶ + 9² + 3⁷ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123846 + 2123847.

It is an arithmetic number, because the mean of its divisors is an integer number (2123847).

Almost surely, 2^4247693 is an apocalyptic number.

It is an amenable number.

4247693 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247693 is an equidigital number, since it uses as much as digits as its factorization.

4247693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 4247693 is about 2060.9932071698. The cubic root of 4247693 is about 161.9512758005.

The spelling of 4247693 in words is "four million, two hundred forty-seven thousand, six hundred ninety-three".