5656784 has 40 divisors (see below), whose sum is σ = 13267008. Its totient is φ = 2280960.

The previous prime is 5656759. The next prime is 5656789. The reversal of 5656784 is 4876565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 3389.

Almost surely, 2^5656784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5656784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6633504).

5656784 is an abundant number, since it is smaller than the sum of its proper divisors (7610224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5656784 is a wasteful number, since it uses less digits than its factorization.

5656784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003 (or 2997 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 5656784 is about 2378.3994618230. The cubic root of 5656784 is about 178.1790060516.

The spelling of 5656784 in words is "five million, six hundred fifty-six thousand, seven hundred eighty-four".