676386 has 24 divisors (see below), whose sum is σ = 1495260. Its totient is φ = 220896.

The previous prime is 676373. The next prime is 676387. The reversal of 676386 is 683676.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 5625 = 819^2 + 75^2 .

It is a Curzon number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 676386.

It is not an unprimeable number, because it can be changed into a prime (676387) by changing a digit.

676386 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 (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 600 + ... + 1308.

2⁶⁷⁶³⁸⁶ is an apocalyptic number.

676386 is an abundant number, since it is smaller than the sum of its proper divisors (818874).

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

676386 is a wasteful number, since it uses less digits than its factorization.

676386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 767 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 676386 is about 822.4268964473. The cubic root of 676386 is about 87.7805309302.

The spelling of 676386 in words is "six hundred seventy-six thousand, three hundred eighty-six".