6386897 has 4 divisors (see below), whose sum is σ = 6967536. Its totient is φ = 5806260.

The previous prime is 6386839. The next prime is 6386923. The reversal of 6386897 is 7986836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6386897 - 2¹² = 6382801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6386197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290303 + ... + 290324.

It is an arithmetic number, because the mean of its divisors is an integer number (1741884).

Almost surely, 2^6386897 is an apocalyptic number.

It is an amenable number.

6386897 is a deficient number, since it is larger than the sum of its proper divisors (580639).

6386897 is a wasteful number, since it uses less digits than its factorization.

6386897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580638.

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

The square root of 6386897 is about 2527.2310935093. The cubic root of 6386897 is about 185.5367610708.

The spelling of 6386897 in words is "six million, three hundred eighty-six thousand, eight hundred ninety-seven".