683311 has 4 divisors (see below), whose sum is σ = 689472. Its totient is φ = 677152.

The previous prime is 683303. The next prime is 683317. The reversal of 683311 is 113386.

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

It is a cyclic number.

It is not a de Polignac number, because 683311 - 2³ = 683303 is a prime.

It is a super-4 number, since 4×683311⁴ (a number of 24 digits) contains 4444 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

683311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2911 + ... + 3136.

It is an arithmetic number, because the mean of its divisors is an integer number (172368).

2⁶⁸³³¹¹ is an apocalyptic number.

683311 is a deficient number, since it is larger than the sum of its proper divisors (6161).

683311 is a wasteful number, since it uses less digits than its factorization.

683311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6160.

The product of its digits is 432, while the sum is 22.

The square root of 683311 is about 826.6262758950. The cubic root of 683311 is about 88.0790869599.

Adding to 683311 its reverse (113386), we get a palindrome (796697).

The spelling of 683311 in words is "six hundred eighty-three thousand, three hundred eleven".