43869228 has 48 divisors (see below), whose sum is σ = 114048480. Its totient is φ = 13031424.

The previous prime is 43869227. The next prime is 43869239. The reversal of 43869228 is 82296834.

It is a self number, because there is not a number n which added to its sum of digits gives 43869228.

It is not an unprimeable number, because it can be changed into a prime (43869223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 9372.

It is an arithmetic number, because the mean of its divisors is an integer number (2376010).

Almost surely, 2^43869228 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 43869228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57024240).

43869228 is an abundant number, since it is smaller than the sum of its proper divisors (70179252).

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

43869228 is a wasteful number, since it uses less digits than its factorization.

43869228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9746 (or 9744 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 43869228 is about 6623.3849352125. The cubic root of 43869228 is about 352.6847359228.

The spelling of 43869228 in words is "forty-three million, eight hundred sixty-nine thousand, two hundred twenty-eight".