6478963 has 4 divisors (see below), whose sum is σ = 6570288. Its totient is φ = 6387640.

The previous prime is 6478961. The next prime is 6478973. The reversal of 6478963 is 3698746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6478963 - 2¹ = 6478961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6478961) 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 3 ways as a sum of consecutive naturals, for example, 45556 + ... + 45697.

It is an arithmetic number, because the mean of its divisors is an integer number (1642572).

Almost surely, 2^6478963 is an apocalyptic number.

6478963 is a deficient number, since it is larger than the sum of its proper divisors (91325).

6478963 is an equidigital number, since it uses as much as digits as its factorization.

6478963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91324.

The product of its digits is 217728, while the sum is 43.

The square root of 6478963 is about 2545.3807180852. The cubic root of 6478963 is about 186.4240047646.

The spelling of 6478963 in words is "six million, four hundred seventy-eight thousand, nine hundred sixty-three".