5648866 has 4 divisors (see below), whose sum is σ = 8473302. Its totient is φ = 2824432.

The previous prime is 5648843. The next prime is 5648873. The reversal of 5648866 is 6688465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5621641 + 27225 = 2371^2 + 165^2 .

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, 1412215 + ... + 1412218.

Almost surely, 2^5648866 is an apocalyptic number.

5648866 is a deficient number, since it is larger than the sum of its proper divisors (2824436).

5648866 is a wasteful number, since it uses less digits than its factorization.

5648866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824435.

The product of its digits is 276480, while the sum is 43.

The square root of 5648866 is about 2376.7343141378. The cubic root of 5648866 is about 178.0958327537.

The spelling of 5648866 in words is "five million, six hundred forty-eight thousand, eight hundred sixty-six".