676822 has 4 divisors (see below), whose sum is σ = 1015236. Its totient is φ = 338410.

The previous prime is 676807. The next prime is 676829. The reversal of 676822 is 228676.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676829) by changing a digit.

676822 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 169204 + ... + 169207.

It is an arithmetic number, because the mean of its divisors is an integer number (253809).

2⁶⁷⁶⁸²² is an apocalyptic number.

676822 is a deficient number, since it is larger than the sum of its proper divisors (338414).

676822 is a wasteful number, since it uses less digits than its factorization.

676822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338413.

The product of its digits is 8064, while the sum is 31.

The square root of 676822 is about 822.6919228970. The cubic root of 676822 is about 87.7993880576.

It can be divided in two parts, 67 and 6822, that added together give a square (6889 = 83²).

The spelling of 676822 in words is "six hundred seventy-six thousand, eight hundred twenty-two".