676823 has 8 divisors (see below), whose sum is σ = 798720. Its totient is φ = 561240.

The previous prime is 676807. The next prime is 676829. The reversal of 676823 is 328676.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 676823 - 2⁴ = 676807 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 676823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676829) 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, 1343 + ... + 1776.

It is an arithmetic number, because the mean of its divisors is an integer number (99840).

2⁶⁷⁶⁸²³ is an apocalyptic number.

676823 is a deficient number, since it is larger than the sum of its proper divisors (121897).

676823 is a wasteful number, since it uses less digits than its factorization.

676823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3157.

The product of its digits is 12096, while the sum is 32.

The square root of 676823 is about 822.6925306577. The cubic root of 676823 is about 87.7994312986.

The spelling of 676823 in words is "six hundred seventy-six thousand, eight hundred twenty-three".