676687 has 8 divisors (see below), whose sum is σ = 744192. Its totient is φ = 610200.

The previous prime is 676679. The next prime is 676703. The reversal of 676687 is 786676.

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 676687 - 2³ = 676679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676387) 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 7 ways as a sum of consecutive naturals, for example, 2362 + ... + 2632.

It is an arithmetic number, because the mean of its divisors is an integer number (93024).

2⁶⁷⁶⁶⁸⁷ is an apocalyptic number.

676687 is a deficient number, since it is larger than the sum of its proper divisors (67505).

676687 is a wasteful number, since it uses less digits than its factorization.

676687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509.

The product of its digits is 84672, while the sum is 40.

The square root of 676687 is about 822.6098710811. The cubic root of 676687 is about 87.7935501339.

The spelling of 676687 in words is "six hundred seventy-six thousand, six hundred eighty-seven".