4328656 has 40 divisors (see below), whose sum is σ = 9151200. Its totient is φ = 1975680.

The previous prime is 4328641. The next prime is 4328671. The reversal of 4328656 is 6568234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4328641) and next prime (4328671).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4² + 3⁹ + 2¹⁹ + 8⁷ + 6⁵ + 5³ + 6⁸ .

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 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 9061.

It is an arithmetic number, because the mean of its divisors is an integer number (228780).

Almost surely, 2^4328656 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 4328656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4575600).

4328656 is an abundant number, since it is smaller than the sum of its proper divisors (4822544).

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

4328656 is a wasteful number, since it uses less digits than its factorization.

4328656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 541 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 4328656 is about 2080.5422370142. The cubic root of 4328656 is about 162.9737621963.

The spelling of 4328656 in words is "four million, three hundred twenty-eight thousand, six hundred fifty-six".