5656849 has 16 divisors (see below), whose sum is σ = 6511104. Its totient is φ = 4867200.

The previous prime is 5656837. The next prime is 5656921. The reversal of 5656849 is 9486565.

It is a cyclic number.

It is not a de Polignac number, because 5656849 - 2⁵ = 5656817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17917 + ... + 18229.

It is an arithmetic number, because the mean of its divisors is an integer number (406944).

Almost surely, 2^5656849 is an apocalyptic number.

It is an amenable number.

5656849 is a deficient number, since it is larger than the sum of its proper divisors (854255).

5656849 is a wasteful number, since it uses less digits than its factorization.

5656849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its digits is 259200, while the sum is 43.

The square root of 5656849 is about 2378.4131264354. The cubic root of 5656849 is about 178.1796885118.

The spelling of 5656849 in words is "five million, six hundred fifty-six thousand, eight hundred forty-nine".