6442463 has 8 divisors (see below), whose sum is σ = 6817920. Its totient is φ = 6070680.

The previous prime is 6442459. The next prime is 6442481. The reversal of 6442463 is 3642446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6442463 - 2² = 6442459 is a prime.

It is a d-powerful number, because it can be written as 6² + 4⁸ + 4⁸ + 2²¹ + 4¹¹ + 6³ + 3⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (852240).

Almost surely, 2^6442463 is an apocalyptic number.

6442463 is a deficient number, since it is larger than the sum of its proper divisors (375457).

6442463 is a wasteful number, since it uses less digits than its factorization.

6442463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its digits is 13824, while the sum is 29.

The square root of 6442463 is about 2538.2007406823. The cubic root of 6442463 is about 186.0732647745.

The spelling of 6442463 in words is "six million, four hundred forty-two thousand, four hundred sixty-three".