676644 has 24 divisors (see below), whose sum is σ = 1596000. Its totient is φ = 223104.

The previous prime is 676601. The next prime is 676649. The reversal of 676644 is 446676.

It is not an unprimeable number, because it can be changed into a prime (676649) 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, 1107 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (66500).

2⁶⁷⁶⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

676644 is an abundant number, since it is smaller than the sum of its proper divisors (919356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676644 is a wasteful number, since it uses less digits than its factorization.

676644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 617 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 676644 is about 822.5837343396. The cubic root of 676644 is about 87.7916904841.

The spelling of 676644 in words is "six hundred seventy-six thousand, six hundred forty-four".