43227864 has 128 divisors (see below), whose sum is σ = 127296000. Its totient is φ = 13571712.

The previous prime is 43227851. The next prime is 43227883. The reversal of 43227864 is 46872234.

43227864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×43227864³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 419637 + ... + 419739.

It is an arithmetic number, because the mean of its divisors is an integer number (994500).

Almost surely, 2^43227864 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 43227864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63648000).

43227864 is an abundant number, since it is smaller than the sum of its proper divisors (84068136).

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

43227864 is a wasteful number, since it uses less digits than its factorization.

43227864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 204 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 43227864 is about 6574.7900346703. The cubic root of 43227864 is about 350.9575520295.

The spelling of 43227864 in words is "forty-three million, two hundred twenty-seven thousand, eight hundred sixty-four".