6466863 has 8 divisors (see below), whose sum is σ = 9285808. Its totient is φ = 3979584.

The previous prime is 6466853. The next prime is 6466883. The reversal of 6466863 is 3686646.

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

It is not a de Polignac number, because 6466863 - 2⁴ = 6466847 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 165817 = 6466863 / (6 + 4 + 6 + 6 + 8 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6466843) 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 7 ways as a sum of consecutive naturals, for example, 82870 + ... + 82947.

It is an arithmetic number, because the mean of its divisors is an integer number (1160726).

Almost surely, 2^6466863 is an apocalyptic number.

6466863 is a deficient number, since it is larger than the sum of its proper divisors (2818945).

6466863 is a wasteful number, since it uses less digits than its factorization.

6466863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165833.

The product of its digits is 124416, while the sum is 39.

The square root of 6466863 is about 2543.0027526529. The cubic root of 6466863 is about 186.3078783531.

The spelling of 6466863 in words is "six million, four hundred sixty-six thousand, eight hundred sixty-three".