4568816 has 60 divisors (see below), whose sum is σ = 10771632. Its totient is φ = 1838592.

The previous prime is 4568803. The next prime is 4568819. The reversal of 4568816 is 6188654.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 4568816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4568819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40376 + ... + 40488.

Almost surely, 2^4568816 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 4568816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5385816).

4568816 is an abundant number, since it is smaller than the sum of its proper divisors (6202816).

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

4568816 is a wasteful number, since it uses less digits than its factorization.

4568816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 141 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 4568816 is about 2137.4788887846. The cubic root of 4568816 is about 165.9336842575.

The spelling of 4568816 in words is "four million, five hundred sixty-eight thousand, eight hundred sixteen".