683930 has 16 divisors (see below), whose sum is σ = 1326024. Its totient is φ = 252480.

The previous prime is 683923. The next prime is 683933. The reversal of 683930 is 39386.

683930 is nontrivially palindromic in base 4.

It is a Cunningham number, because it is equal to 827²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 508369 + 175561 = 713^2 + 419^2 .

It is a junction number, because it is equal to n+sod(n) for n = 683893 and 683902.

It is not an unprimeable number, because it can be changed into a prime (683933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2501 + ... + 2760.

2⁶⁸³⁹³⁰ is an apocalyptic number.

683930 is a deficient number, since it is larger than the sum of its proper divisors (642094).

683930 is a wasteful number, since it uses less digits than its factorization.

683930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 683930 is about 827.0006045947. Note that the first 3 decimals coincide. The cubic root of 683930 is about 88.1056753898.

The spelling of 683930 in words is "six hundred eighty-three thousand, nine hundred thirty".