43868608 has 56 divisors (see below), whose sum is σ = 100222304. Its totient is φ = 18662400.

The previous prime is 43868603. The next prime is 43868639. The reversal of 43868608 is 80686834.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43868603) 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 7 ways as a sum of consecutive naturals, for example, 80818 + ... + 81358.

It is an arithmetic number, because the mean of its divisors is an integer number (1789684).

Almost surely, 2^43868608 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 43868608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50111152).

43868608 is an abundant number, since it is smaller than the sum of its proper divisors (56353696).

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

43868608 is a wasteful number, since it uses less digits than its factorization.

43868608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 43868608 is about 6623.3381311843. The cubic root of 43868608 is about 352.6830744273.

The spelling of 43868608 in words is "forty-three million, eight hundred sixty-eight thousand, six hundred eight".