683403 has 12 divisors (see below), whose sum is σ = 1060200. Its totient is φ = 390432.

The previous prime is 683401. The next prime is 683407. The reversal of 683403 is 304386.

It is not a de Polignac number, because 683403 - 2¹ = 683401 is a prime.

It is a nialpdrome in base 7 and base 15.

It is not an unprimeable number, because it can be changed into a prime (683401) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2178 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (88350).

2⁶⁸³⁴⁰³ is an apocalyptic number.

683403 is a deficient number, since it is larger than the sum of its proper divisors (376797).

683403 is a wasteful number, since it uses less digits than its factorization.

683403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666 (or 4659 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 683403 is about 826.6819219023. The cubic root of 683403 is about 88.0830397292.

Adding to 683403 its reverse (304386), we get a palindrome (987789).

The spelling of 683403 in words is "six hundred eighty-three thousand, four hundred three".