680383 has 6 divisors (see below), whose sum is σ = 747992. Its totient is φ = 618420.

The previous prime is 680377. The next prime is 680387. The reversal of 680383 is 383086.

It is a de Polignac number, because none of the positive numbers 2^k-680383 is a prime.

It is an Ulam number.

It is a Duffinian number.

680383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2691 + ... + 2932.

2⁶⁸⁰³⁸³ is an apocalyptic number.

680383 is a deficient number, since it is larger than the sum of its proper divisors (67609).

680383 is a wasteful number, since it uses less digits than its factorization.

680383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5645 (or 5634 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 680383 is about 824.8533202940. The cubic root of 680383 is about 87.9531000089.

It can be divided in two parts, 6803 and 83, that added together give a palindrome (6886).

The spelling of 680383 in words is "six hundred eighty thousand, three hundred eighty-three".