6490838 has 24 divisors (see below), whose sum is σ = 10723752. Its totient is φ = 2936192.

The previous prime is 6490831. The next prime is 6490871. The reversal of 6490838 is 8380946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490831) 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 11 ways as a sum of consecutive naturals, for example, 28481 + ... + 28707.

It is an arithmetic number, because the mean of its divisors is an integer number (446823).

Almost surely, 2^6490838 is an apocalyptic number.

6490838 is a deficient number, since it is larger than the sum of its proper divisors (4232914).

6490838 is a wasteful number, since it uses less digits than its factorization.

6490838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 6490838 is about 2547.7123071493. The cubic root of 6490838 is about 186.5378313094.

It can be divided in two parts, 64908 and 38, that added together give a palindrome (64946).

The spelling of 6490838 in words is "six million, four hundred ninety thousand, eight hundred thirty-eight".