4643424 has 72 divisors (see below), whose sum is σ = 13798512. Its totient is φ = 1478400.

The previous prime is 4643417. The next prime is 4643437. The reversal of 4643424 is 4243464.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×4643424² = 43122772887552, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6274 + ... + 6974.

It is an arithmetic number, because the mean of its divisors is an integer number (191646).

Almost surely, 2^4643424 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 4643424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6899256).

4643424 is an abundant number, since it is smaller than the sum of its proper divisors (9155088).

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

4643424 is a wasteful number, since it uses less digits than its factorization.

4643424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 729 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4643424 is about 2154.8605523328. The cubic root of 4643424 is about 166.8320349768.

Adding to 4643424 its reverse (4243464), we get a palindrome (8886888).

The spelling of 4643424 in words is "four million, six hundred forty-three thousand, four hundred twenty-four".