6378466 has 8 divisors (see below), whose sum is σ = 9616860. Its totient is φ = 3172848.

The previous prime is 6378409. The next prime is 6378487. The reversal of 6378466 is 6648736.

It can be written as a sum of positive squares in 2 ways, for example, as 5784025 + 594441 = 2405^2 + 771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6⁶ + 3⁸ + 7⁸ + 8³ + 4³ + 6⁷ + 6⁷ .

It is an unprimeable number.

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, 7701 + ... + 8488.

Almost surely, 2^6378466 is an apocalyptic number.

6378466 is a deficient number, since it is larger than the sum of its proper divisors (3238394).

6378466 is a wasteful number, since it uses less digits than its factorization.

6378466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16388.

The product of its digits is 145152, while the sum is 40.

The square root of 6378466 is about 2525.5625116001. The cubic root of 6378466 is about 185.4550860813.

The spelling of 6378466 in words is "six million, three hundred seventy-eight thousand, four hundred sixty-six".