6438481 has 8 divisors (see below), whose sum is σ = 7557440. Its totient is φ = 5369328.

The previous prime is 6438463. The next prime is 6438539. The reversal of 6438481 is 1848346.

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 6438481 - 2⁹ = 6437969 is a prime.

It is a super-2 number, since 2×6438481² = 82908075174722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6438431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12171 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (944680).

Almost surely, 2^6438481 is an apocalyptic number.

It is an amenable number.

6438481 is a deficient number, since it is larger than the sum of its proper divisors (1118959).

6438481 is a wasteful number, since it uses less digits than its factorization.

6438481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24903.

The product of its digits is 18432, while the sum is 34.

The square root of 6438481 is about 2537.4162055130. The cubic root of 6438481 is about 186.0349204100.

The spelling of 6438481 in words is "six million, four hundred thirty-eight thousand, four hundred eighty-one".