6468387 has 16 divisors (see below), whose sum is σ = 8828160. Its totient is φ = 4212000.

The previous prime is 6468383. The next prime is 6468389. The reversal of 6468387 is 7838646.

It is not a de Polignac number, because 6468387 - 2² = 6468383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6468383) 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 15 ways as a sum of consecutive naturals, for example, 42762 + ... + 42912.

It is an arithmetic number, because the mean of its divisors is an integer number (551760).

Almost surely, 2^6468387 is an apocalyptic number.

6468387 is a deficient number, since it is larger than the sum of its proper divisors (2359773).

6468387 is a wasteful number, since it uses less digits than its factorization.

6468387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394.

The product of its digits is 193536, while the sum is 42.

The square root of 6468387 is about 2543.3023807640. The cubic root of 6468387 is about 186.3225124915.

The spelling of 6468387 in words is "six million, four hundred sixty-eight thousand, three hundred eighty-seven".