682618 has 12 divisors (see below), whose sum is σ = 1088622. Its totient is φ = 320960.

The previous prime is 682607. The next prime is 682637. The reversal of 682618 is 816286.

It can be written as a sum of positive squares in 3 ways, for example, as 667489 + 15129 = 817^2 + 123^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 682618.

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, 13 + ... + 1168.

2⁶⁸²⁶¹⁸ is an apocalyptic number.

682618 is a deficient number, since it is larger than the sum of its proper divisors (406004).

682618 is a wasteful number, since it uses less digits than its factorization.

682618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1200 counting only the distinct ones).

The product of its digits is 4608, while the sum is 31.

The square root of 682618 is about 826.2069958552. The cubic root of 682618 is about 88.0493008870.

The spelling of 682618 in words is "six hundred eighty-two thousand, six hundred eighteen".