43865682 has 48 divisors (see below), whose sum is σ = 105368832. Its totient is φ = 12126240.

The previous prime is 43865681. The next prime is 43865687. The reversal of 43865682 is 28656834.

43865682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (43865681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6708 + ... + 11520.

It is an arithmetic number, because the mean of its divisors is an integer number (2195184).

Almost surely, 2^43865682 is an apocalyptic number.

43865682 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 43865682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52684416).

43865682 is an abundant number, since it is smaller than the sum of its proper divisors (61503150).

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

43865682 is a wasteful number, since it uses less digits than its factorization.

43865682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4863 (or 4856 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 43865682 is about 6623.1172419035. The cubic root of 43865682 is about 352.6752330295.

The spelling of 43865682 in words is "forty-three million, eight hundred sixty-five thousand, six hundred eighty-two".