8369641 has 6 divisors (see below), whose sum is σ = 9736170. Its totient is φ = 7173936.

The previous prime is 8369639. The next prime is 8369657. The reversal of 8369641 is 1469638.

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 2019241 = 2520^2 + 1421^2 .

It is not a de Polignac number, because 8369641 - 2¹ = 8369639 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8369641.

It is not an unprimeable number, because it can be changed into a prime (8369341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85356 + ... + 85453.

It is an arithmetic number, because the mean of its divisors is an integer number (1622695).

Almost surely, 2^8369641 is an apocalyptic number.

It is an amenable number.

8369641 is a deficient number, since it is larger than the sum of its proper divisors (1366529).

8369641 is a wasteful number, since it uses less digits than its factorization.

8369641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170823 (or 170816 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 8369641 is about 2893.0331833562. The cubic root of 8369641 is about 203.0340806831.

The spelling of 8369641 in words is "eight million, three hundred sixty-nine thousand, six hundred forty-one".