4643968 has 64 divisors (see below), whose sum is σ = 10869120. Its totient is φ = 1935360.

The previous prime is 4643963. The next prime is 4643983. The reversal of 4643968 is 8693464.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 4643968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4643963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63580 + ... + 63652.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

Almost surely, 2^4643968 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 4643968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5434560).

4643968 is an abundant number, since it is smaller than the sum of its proper divisors (6225152).

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

4643968 is an equidigital number, since it uses as much as digits as its factorization.

4643968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 153 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 4643968 is about 2154.9867749014. The cubic root of 4643968 is about 166.8385497873.

The spelling of 4643968 in words is "four million, six hundred forty-three thousand, nine hundred sixty-eight".