43859968 has 30 divisors (see below), whose sum is σ = 87750026. Its totient is φ = 21921792.

The previous prime is 43859953. The next prime is 43859969. The reversal of 43859968 is 86995834.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24920064 + 18939904 = 4992^2 + 4352^2 .

It is a super-2 number, since 2×43859968² = 3847393585922048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43859969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15046 + ... + 17722.

Almost surely, 2^43859968 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 43859968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43875013).

43859968 is an abundant number, since it is smaller than the sum of its proper divisors (43890058).

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

43859968 is an frugal number, since it uses more digits than its factorization.

43859968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2679 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 43859968 is about 6622.6858599816. The cubic root of 43859968 is about 352.6599190552.

It can be divided in two parts, 438 and 59968, that added together give a palindrome (60406).

The spelling of 43859968 in words is "forty-three million, eight hundred fifty-nine thousand, nine hundred sixty-eight".