683743 has 4 divisors (see below), whose sum is σ = 699688. Its totient is φ = 667800.

The previous prime is 683737. The next prime is 683747. The reversal of 683743 is 347386.

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 683743 - 2⁹ = 683231 is a prime.

It is a Duffinian number.

683743 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683747) 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, 7908 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (174922).

2⁶⁸³⁷⁴³ is an apocalyptic number.

683743 is a deficient number, since it is larger than the sum of its proper divisors (15945).

683743 is a wasteful number, since it uses less digits than its factorization.

683743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15944.

The product of its digits is 12096, while the sum is 31.

The square root of 683743 is about 826.8875376978. The cubic root of 683743 is about 88.0976447126.

The spelling of 683743 in words is "six hundred eighty-three thousand, seven hundred forty-three".