675866 has 8 divisors (see below), whose sum is σ = 1025460. Its totient is φ = 334048.

The previous prime is 675863. The next prime is 675877. The reversal of 675866 is 668576.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 156025 = 721^2 + 395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 675866.

It is not an unprimeable number, because it can be changed into a prime (675863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1721 + ... + 2076.

2⁶⁷⁵⁸⁶⁶ is an apocalyptic number.

675866 is a deficient number, since it is larger than the sum of its proper divisors (349594).

675866 is a wasteful number, since it uses less digits than its factorization.

675866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3888.

The product of its digits is 60480, while the sum is 38.

The square root of 675866 is about 822.1106981423. The cubic root of 675866 is about 87.7580301794.

The spelling of 675866 in words is "six hundred seventy-five thousand, eight hundred sixty-six".