43944608 has 36 divisors (see below), whose sum is σ = 89459370. Its totient is φ = 21248640.

The previous prime is 43944601. The next prime is 43944631. The reversal of 43944608 is 80644934.

It can be written as a sum of positive squares in only one way, i.e., 43191184 + 753424 = 6572^2 + 868^2 .

It is a super-2 number, since 2×43944608² = 3862257144547328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43944601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30038 + ... + 31466.

Almost surely, 2^43944608 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 43944608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44729685).

43944608 is an abundant number, since it is smaller than the sum of its proper divisors (45514762).

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

43944608 is a wasteful number, since it uses less digits than its factorization.

43944608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501 (or 1462 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 43944608 is about 6629.0729366933. The cubic root of 43944608 is about 352.8866250678.

The spelling of 43944608 in words is "forty-three million, nine hundred forty-four thousand, six hundred eight".