4243968 has 80 divisors (see below), whose sum is σ = 12603360. Its totient is φ = 1410048.

The previous prime is 4243961. The next prime is 4243969. The reversal of 4243968 is 8693424.

It is a happy number.

It is a super-2 number, since 2×4243968² = 36022528770048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (4243961) 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, 13671 + ... + 13977.

It is an arithmetic number, because the mean of its divisors is an integer number (157542).

Almost surely, 2^4243968 is an apocalyptic number.

4243968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4243968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6301680).

4243968 is an abundant number, since it is smaller than the sum of its proper divisors (8359392).

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

4243968 is an equidigital number, since it uses as much as digits as its factorization.

4243968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 312 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 4243968 is about 2060.0893184520. The cubic root of 4243968 is about 161.9039210809.

The spelling of 4243968 in words is "four million, two hundred forty-three thousand, nine hundred sixty-eight".