8445629 has 2 divisors, whose sum is σ = 8445630. Its totient is φ = 8445628.

The previous prime is 8445607. The next prime is 8445643. The reversal of 8445629 is 9265448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8421604 + 24025 = 2902^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8445629 is a prime.

It is a Chen prime.

It is equal to p₅₆₇₆₈₆ and since 8445629 and 567686 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 8445592 and 8445601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8445649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222814 + 4222815.

It is an arithmetic number, because the mean of its divisors is an integer number (4222815).

Almost surely, 2^8445629 is an apocalyptic number.

It is an amenable number.

8445629 is a deficient number, since it is larger than the sum of its proper divisors (1).

8445629 is an equidigital number, since it uses as much as digits as its factorization.

8445629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 8445629 is about 2906.1364386415. The cubic root of 8445629 is about 203.6466795212.

The spelling of 8445629 in words is "eight million, four hundred forty-five thousand, six hundred twenty-nine".