4528656 has 80 divisors (see below), whose sum is σ = 14195520. Its totient is φ = 1370880.

The previous prime is 4528633. The next prime is 4528661. The reversal of 4528656 is 6568254.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4528656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (177444).

Almost surely, 2^4528656 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 4528656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7097760).

4528656 is an abundant number, since it is smaller than the sum of its proper divisors (9666864).

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

4528656 is a wasteful number, since it uses less digits than its factorization.

4528656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 969 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4528656 is about 2128.0639088148. The cubic root of 4528656 is about 165.4460657337.

It can be divided in two parts, 4528 and 656, that added together give a square (5184 = 72²).

The spelling of 4528656 in words is "four million, five hundred twenty-eight thousand, six hundred fifty-six".