6367993 has 2 divisors, whose sum is σ = 6367994. Its totient is φ = 6367992.

The previous prime is 6367981. The next prime is 6368027. The reversal of 6367993 is 3997636.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6285049 + 82944 = 2507^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 6367993 - 2²¹ = 4270841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6367903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3183996 + 3183997.

It is an arithmetic number, because the mean of its divisors is an integer number (3183997).

Almost surely, 2^6367993 is an apocalyptic number.

It is an amenable number.

6367993 is a deficient number, since it is larger than the sum of its proper divisors (1).

6367993 is an equidigital number, since it uses as much as digits as its factorization.

6367993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 183708, while the sum is 43.

The square root of 6367993 is about 2523.4882603254. The cubic root of 6367993 is about 185.3535290030.

The spelling of 6367993 in words is "six million, three hundred sixty-seven thousand, nine hundred ninety-three".