6438982 has 12 divisors (see below), whose sum is σ = 10556028. Its totient is φ = 2921400.

The previous prime is 6438973. The next prime is 6438983. The reversal of 6438982 is 2898346.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11632 + ... + 12172.

It is an arithmetic number, because the mean of its divisors is an integer number (879669).

Almost surely, 2^6438982 is an apocalyptic number.

6438982 is a deficient number, since it is larger than the sum of its proper divisors (4117046).

6438982 is an equidigital number, since it uses as much as digits as its factorization.

6438982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095 (or 554 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 6438982 is about 2537.5149260645. The cubic root of 6438982 is about 186.0397456205.

The spelling of 6438982 in words is "six million, four hundred thirty-eight thousand, nine hundred eighty-two".