43726228 has 54 divisors (see below), whose sum is σ = 96598698. Its totient is φ = 17166240.

The previous prime is 43726223. The next prime is 43726259. The reversal of 43726228 is 82262734.

43726228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30272004 + 13454224 = 5502^2 + 3668^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43726193 and 43726202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43726223) 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 17 ways as a sum of consecutive naturals, for example, 333723 + ... + 333853.

Almost surely, 2^43726228 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 43726228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48299349).

43726228 is an abundant number, since it is smaller than the sum of its proper divisors (52872470).

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

43726228 is a wasteful number, since it uses less digits than its factorization.

43726228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 153 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 43726228 is about 6612.5810392010. The cubic root of 43726228 is about 352.3011047033.

The spelling of 43726228 in words is "forty-three million, seven hundred twenty-six thousand, two hundred twenty-eight".