443629 has 2 divisors, whose sum is σ = 443630. Its totient is φ = 443628.

The previous prime is 443609. The next prime is 443659. The reversal of 443629 is 926344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362404 + 81225 = 602^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 443629 - 2⁷ = 443501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 443597 and 443606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (443609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221814 + 221815.

It is an arithmetic number, because the mean of its divisors is an integer number (221815).

2⁴⁴³⁶²⁹ is an apocalyptic number.

It is an amenable number.

443629 is a deficient number, since it is larger than the sum of its proper divisors (1).

443629 is an equidigital number, since it uses as much as digits as its factorization.

443629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 443629 is about 666.0548025501. The cubic root of 443629 is about 76.2675817201.

It can be divided in two parts, 4436 and 29, that added together give a triangular number (4465 = T₉₄).

The spelling of 443629 in words is "four hundred forty-three thousand, six hundred twenty-nine".