4644816 has 80 divisors (see below), whose sum is σ = 13808640. Its totient is φ = 1330560.

The previous prime is 4644811. The next prime is 4644833. The reversal of 4644816 is 6184464.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9801 + ... + 10263.

It is an arithmetic number, because the mean of its divisors is an integer number (172608).

Almost surely, 2^4644816 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 4644816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6904320).

4644816 is an abundant number, since it is smaller than the sum of its proper divisors (9163824).

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

4644816 is a wasteful number, since it uses less digits than its factorization.

4644816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 498 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 4644816 is about 2155.1835188679. The cubic root of 4644816 is about 166.8487042127.

It can be divided in two parts, 46448 and 16, that added together give a palindrome (46464).

The spelling of 4644816 in words is "four million, six hundred forty-four thousand, eight hundred sixteen".