5689656 has 128 divisors (see below), whose sum is σ = 18662400. Its totient is φ = 1572480.

The previous prime is 5689643. The next prime is 5689657. The reversal of 5689656 is 6569865.

5689656 = 224² + 225² + ... + 304².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5689657) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 80101 + ... + 80171.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

Almost surely, 2^5689656 is an apocalyptic number.

5689656 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5689656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9331200).

5689656 is an abundant number, since it is smaller than the sum of its proper divisors (12972744).

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

5689656 is a wasteful number, since it uses less digits than its factorization.

5689656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 136 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 5689656 is about 2385.2999811344. The cubic root of 5689656 is about 178.5234768923.

The spelling of 5689656 in words is "five million, six hundred eighty-nine thousand, six hundred fifty-six".