676811 has 4 divisors (see below), whose sum is σ = 678552. Its totient is φ = 675072.

The previous prime is 676807. The next prime is 676829. The reversal of 676811 is 118676.

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 676811 - 2² = 676807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11 + ... + 1163.

It is an arithmetic number, because the mean of its divisors is an integer number (169638).

2⁶⁷⁶⁸¹¹ is an apocalyptic number.

676811 is a deficient number, since it is larger than the sum of its proper divisors (1741).

676811 is a wasteful number, since it uses less digits than its factorization.

676811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 2016, while the sum is 29.

The square root of 676811 is about 822.6852374997. The cubic root of 676811 is about 87.7989124040.

The spelling of 676811 in words is "six hundred seventy-six thousand, eight hundred eleven".