683618 has 8 divisors (see below), whose sum is σ = 1104348. Its totient is φ = 315504.

The previous prime is 683603. The next prime is 683651. The reversal of 683618 is 816386.

683618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 667489 + 16129 = 817^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

683618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13121 + ... + 13172.

2⁶⁸³⁶¹⁸ is an apocalyptic number.

683618 is a deficient number, since it is larger than the sum of its proper divisors (420730).

683618 is a wasteful number, since it uses less digits than its factorization.

683618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26308.

The product of its digits is 6912, while the sum is 32.

The square root of 683618 is about 826.8119495992. The cubic root of 683618 is about 88.0922757964.

The spelling of 683618 in words is "six hundred eighty-three thousand, six hundred eighteen".