6484638 has 8 divisors (see below), whose sum is σ = 12969288. Its totient is φ = 2161544.

The previous prime is 6484627. The next prime is 6484651. The reversal of 6484638 is 8364846.

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

6484638 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 6484596 and 6484605.

It is a congruent number.

It is an unprimeable number.

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, 540381 + ... + 540392.

It is an arithmetic number, because the mean of its divisors is an integer number (1621161).

Almost surely, 2^6484638 is an apocalyptic number.

6484638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6484638 is a wasteful number, since it uses less digits than its factorization.

6484638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080778.

The product of its digits is 110592, while the sum is 39.

The square root of 6484638 is about 2546.4952385583. The cubic root of 6484638 is about 186.4784192074.

The spelling of 6484638 in words is "six million, four hundred eighty-four thousand, six hundred thirty-eight".