8645941 has 2 divisors, whose sum is σ = 8645942. Its totient is φ = 8645940.

The previous prime is 8645927. The next prime is 8645971. The reversal of 8645941 is 1495468.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 1110916 = 2745^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 8645941 - 2¹¹ = 8643893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8645941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8645971) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322970 + 4322971.

It is an arithmetic number, because the mean of its divisors is an integer number (4322971).

Almost surely, 2^8645941 is an apocalyptic number.

It is an amenable number.

8645941 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645941 is an equidigital number, since it uses as much as digits as its factorization.

8645941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 8645941 is about 2940.3981022984. The cubic root of 8645941 is about 205.2441350804.

The spelling of 8645941 in words is "eight million, six hundred forty-five thousand, nine hundred forty-one".