43628863 has 2 divisors, whose sum is σ = 43628864. Its totient is φ = 43628862.

The previous prime is 43628833. The next prime is 43628899. The reversal of 43628863 is 36882634.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43628863 - 2¹³ = 43620671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43628803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21814431 + 21814432.

It is an arithmetic number, because the mean of its divisors is an integer number (21814432).

Almost surely, 2^43628863 is an apocalyptic number.

43628863 is a deficient number, since it is larger than the sum of its proper divisors (1).

43628863 is an equidigital number, since it uses as much as digits as its factorization.

43628863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 43628863 is about 6605.2148337507. The cubic root of 43628863 is about 352.0394212694.

It can be divided in two parts, 4362 and 8863, that added together give a square (13225 = 115²).

The spelling of 43628863 in words is "forty-three million, six hundred twenty-eight thousand, eight hundred sixty-three".