6397893 has 16 divisors (see below), whose sum is σ = 9806400. Its totient is φ = 4117680.

The previous prime is 6397891. The next prime is 6397903. The reversal of 6397893 is 3987936.

It is a happy number.

6397893 is a `hidden beast` number, since 639 + 7 + 8 + 9 + 3 = 666.

It is not a de Polignac number, because 6397893 - 2¹ = 6397891 is a prime.

6397893 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6397891) 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 in 15 ways as a sum of consecutive naturals, for example, 3303 + ... + 4868.

It is an arithmetic number, because the mean of its divisors is an integer number (612900).

Almost surely, 2^6397893 is an apocalyptic number.

It is an amenable number.

6397893 is a deficient number, since it is larger than the sum of its proper divisors (3408507).

6397893 is a wasteful number, since it uses less digits than its factorization.

6397893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209 (or 8203 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 6397893 is about 2529.4056614153. The cubic root of 6397893 is about 185.6431764672.

The spelling of 6397893 in words is "six million, three hundred ninety-seven thousand, eight hundred ninety-three".