5678866 has 4 divisors (see below), whose sum is σ = 8518302. Its totient is φ = 2839432.

The previous prime is 5678851. The next prime is 5678873. The reversal of 5678866 is 6688765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6688765 = 5 ⋅1337753.

It can be written as a sum of positive squares in only one way, i.e., 4906225 + 772641 = 2215^2 + 879^2 .

It is an unprimeable 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, 1419715 + ... + 1419718.

Almost surely, 2^5678866 is an apocalyptic number.

5678866 is a deficient number, since it is larger than the sum of its proper divisors (2839436).

5678866 is a wasteful number, since it uses less digits than its factorization.

5678866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839435.

The product of its digits is 483840, while the sum is 46.

The square root of 5678866 is about 2383.0371377719. The cubic root of 5678866 is about 178.4105534119.

The spelling of 5678866 in words is "five million, six hundred seventy-eight thousand, eight hundred sixty-six".