6493618 has 12 divisors (see below), whose sum is σ = 9901710. Its totient is φ = 3193520.

The previous prime is 6493607. The next prime is 6493631. The reversal of 6493618 is 8163946.

It can be written as a sum of positive squares in only one way, i.e., 6165289 + 328329 = 2483^2 + 573^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33903 + ... + 34093.

Almost surely, 2^6493618 is an apocalyptic number.

6493618 is a deficient number, since it is larger than the sum of its proper divisors (3408092).

6493618 is an equidigital number, since it uses as much as digits as its factorization.

6493618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473 (or 282 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 6493618 is about 2548.2578362481. The cubic root of 6493618 is about 186.5644586444.

The spelling of 6493618 in words is "six million, four hundred ninety-three thousand, six hundred eighteen".