6387893 has 2 divisors, whose sum is σ = 6387894. Its totient is φ = 6387892.

The previous prime is 6387883. The next prime is 6387907. The reversal of 6387893 is 3987836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3541924 + 2845969 = 1882^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 6387893 - 2⁴ = 6387877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6387803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193946 + 3193947.

It is an arithmetic number, because the mean of its divisors is an integer number (3193947).

Almost surely, 2^6387893 is an apocalyptic number.

It is an amenable number.

6387893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6387893 is an equidigital number, since it uses as much as digits as its factorization.

6387893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 6387893 is about 2527.4281394334. The cubic root of 6387893 is about 185.5464050345.

The spelling of 6387893 in words is "six million, three hundred eighty-seven thousand, eight hundred ninety-three".