5656988 has 24 divisors (see below), whose sum is σ = 10940832. Its totient is φ = 2545664.

The previous prime is 5656969. The next prime is 5656997. The reversal of 5656988 is 8896565.

It is a happy number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (455868).

Almost surely, 2^5656988 is an apocalyptic number.

It is an amenable number.

5656988 is a deficient number, since it is larger than the sum of its proper divisors (5283844).

5656988 is a wasteful number, since it uses less digits than its factorization.

5656988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661 (or 3659 counting only the distinct ones).

The product of its digits is 518400, while the sum is 47.

The square root of 5656988 is about 2378.4423474198. The cubic root of 5656988 is about 178.1811479093.

The spelling of 5656988 in words is "five million, six hundred fifty-six thousand, nine hundred eighty-eight".