43628311 has 2 divisors, whose sum is σ = 43628312. Its totient is φ = 43628310.

The previous prime is 43628261. The next prime is 43628339. The reversal of 43628311 is 11382634.

It is an a-pointer prime, because the next prime (43628339) can be obtained adding 43628311 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43628311 - 2¹¹ = 43626263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43628311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43628111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21814155 + 21814156.

It is an arithmetic number, because the mean of its divisors is an integer number (21814156).

Almost surely, 2^43628311 is an apocalyptic number.

43628311 is a deficient number, since it is larger than the sum of its proper divisors (1).

43628311 is an equidigital number, since it uses as much as digits as its factorization.

43628311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 43628311 is about 6605.1730484523. The cubic root of 43628311 is about 352.0379365750.

The spelling of 43628311 in words is "forty-three million, six hundred twenty-eight thousand, three hundred eleven".