683216 has 10 divisors (see below), whose sum is σ = 1323762. Its totient is φ = 341600.

The previous prime is 683201. The next prime is 683231. The reversal of 683216 is 612386.

It is an interprime number because it is at equal distance from previous prime (683201) and next prime (683231).

It can be written as a sum of positive squares in only one way, i.e., 672400 + 10816 = 820^2 + 104^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683216.

It is an unprimeable number.

683216 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 as a sum of consecutive naturals, namely, 21335 + ... + 21366.

2⁶⁸³²¹⁶ is an apocalyptic number.

It is an amenable number.

683216 is a deficient number, since it is larger than the sum of its proper divisors (640546).

683216 is a wasteful number, since it uses less digits than its factorization.

683216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42709 (or 42703 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 683216 is about 826.5688114126. The cubic root of 683216 is about 88.0750049235.

The spelling of 683216 in words is "six hundred eighty-three thousand, two hundred sixteen".