683138 has 4 divisors (see below), whose sum is σ = 1024710. Its totient is φ = 341568.

The previous prime is 683129. The next prime is 683143. The reversal of 683138 is 831386.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 628849 + 54289 = 793^2 + 233^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 683138.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 683138.

It is an unprimeable number.

683138 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, 170783 + ... + 170786.

2⁶⁸³¹³⁸ is an apocalyptic number.

683138 is a deficient number, since it is larger than the sum of its proper divisors (341572).

683138 is a wasteful number, since it uses less digits than its factorization.

683138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341571.

The product of its digits is 3456, while the sum is 29.

The square root of 683138 is about 826.5216270613. The cubic root of 683138 is about 88.0716530739.

The spelling of 683138 in words is "six hundred eighty-three thousand, one hundred thirty-eight".