5606649 has 12 divisors (see below), whose sum is σ = 8120112. Its totient is φ = 3727800.

The previous prime is 5606621. The next prime is 5606681. The reversal of 5606649 is 9466065.

It is a happy number.

5606649 is a `hidden beast` number, since 5 + 6 + 0 + 6 + 649 = 666.

It is not a de Polignac number, because 5606649 - 2⁹ = 5606137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5606749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4594 + ... + 5684.

It is an arithmetic number, because the mean of its divisors is an integer number (676676).

Almost surely, 2^5606649 is an apocalyptic number.

It is an amenable number.

5606649 is a deficient number, since it is larger than the sum of its proper divisors (2513463).

5606649 is a wasteful number, since it uses less digits than its factorization.

5606649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668 (or 1665 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 5606649 is about 2367.8363541427. The cubic root of 5606649 is about 177.6510543810.

The spelling of 5606649 in words is "five million, six hundred six thousand, six hundred forty-nine".