43089228 has 108 divisors (see below), whose sum is σ = 136521840. Its totient is φ = 11358144.

The previous prime is 43089217. The next prime is 43089239. The reversal of 43089228 is 82298034.

43089228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (43089217) and next prime (43089239).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 43089192 and 43089201.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 21993 + ... + 23871.

Almost surely, 2^43089228 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 43089228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68260920).

43089228 is an abundant number, since it is smaller than the sum of its proper divisors (93432612).

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

43089228 is a wasteful number, since it uses less digits than its factorization.

43089228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916 (or 1904 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 43089228 is about 6564.2385697048. The cubic root of 43089228 is about 350.5819651301.

The spelling of 43089228 in words is "forty-three million, eighty-nine thousand, two hundred twenty-eight".