683490618 has 24 divisors (see below), whose sum is σ = 1531962900. Its totient is φ = 219973824.

The previous prime is 683490617. The next prime is 683490653. The reversal of 683490618 is 816094386.

It can be written as a sum of positive squares in 2 ways, for example, as 682620129 + 870489 = 26127^2 + 933^2 .

It is not an unprimeable number, because it can be changed into a prime (683490611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 654163 + ... + 655206.

Almost surely, 2^683490618 is an apocalyptic number.

683490618 is an abundant number, since it is smaller than the sum of its proper divisors (848472282).

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

683490618 is a wasteful number, since it uses less digits than its factorization.

683490618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309406 (or 1309403 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 683490618 is about 26143.6534937258. The cubic root of 683490618 is about 880.8680389669.

The spelling of 683490618 in words is "six hundred eighty-three million, four hundred ninety thousand, six hundred eighteen".