6468385 has 32 divisors (see below), whose sum is σ = 9891072. Its totient is φ = 3943680.

The previous prime is 6468383. The next prime is 6468389. The reversal of 6468385 is 5838646.

It is not a de Polignac number, because 6468385 - 2¹ = 6468383 is a prime.

6468385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6468383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20247 + ... + 20563.

It is an arithmetic number, because the mean of its divisors is an integer number (309096).

Almost surely, 2^6468385 is an apocalyptic number.

It is an amenable number.

6468385 is a deficient number, since it is larger than the sum of its proper divisors (3422687).

6468385 is a wasteful number, since it uses less digits than its factorization.

6468385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393.

The product of its digits is 138240, while the sum is 40.

The square root of 6468385 is about 2543.3019875744. The cubic root of 6468385 is about 186.3224932881.

The spelling of 6468385 in words is "six million, four hundred sixty-eight thousand, three hundred eighty-five".