43838382 has 64 divisors (see below), whose sum is σ = 103707648. Its totient is φ = 12096000.

The previous prime is 43838369. The next prime is 43838387. The reversal of 43838382 is 28383834.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 43838382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43838387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181782 + ... + 182022.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^43838382 is an apocalyptic number.

43838382 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 43838382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51853824).

43838382 is an abundant number, since it is smaller than the sum of its proper divisors (59869266).

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

43838382 is a wasteful number, since it uses less digits than its factorization.

43838382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 110592, while the sum is 39.

The square root of 43838382 is about 6621.0559580780. The cubic root of 43838382 is about 352.6020548527.

The spelling of 43838382 in words is "forty-three million, eight hundred thirty-eight thousand, three hundred eighty-two".